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The National Institutes of Health has information for its applicants and funding recipients. PLOS aims to support researchers through their COVID page which includes links to emerging research, policy updates, and pandemic-related resources. It engages scholars offering detailed, rigorously researched, ethical expert commentary that explores ways to grasp the wide-spread effects of the virus. Looking at the socio-cultural, political, and economic implications of the pandemic.
Advancing global immunology education is immunopaedia. The Conversation Africa is an independent news and views source from the academic and research community. Daily Maverick's COVID content is not only focused on the health implications of the virus but its impact on various sectors of life. But is it as revolutionary as the hype makes it out to be? First up, a bit of basic hair chemistry. Hair contains lots of keratin proteins, which has the amino acid cysteine.
Cysteine is special because it contains a sulfur S atom. Normally, two sulfurs will join together to form a disulfide bond S-S , creating a link between two proteins:. Re-forming these bonds typically takes a few days hence not washing your hair for a few days after perming, since it warps the shape. The peroxide used in bleaching can help repair disulfide bonds… but can also paradoxically stop them from forming, by capping the SH with a sulfate group, hence the extra damage:.
But the patent holders are academic chemists with extremely impressive reputations — Craig Hawker is on the Editorial Board of a lot of high impact factor chemistry journals, and has 17 Angew. So I wanted to vet this product thoroughly! The short story is, the two ends of bis-aminopropyl diglycol dimaleate form bonds with the sulfurs, making an artificial, extended disulfide bridge. These react with an SH group each in a Michael reaction to form covalent bonds like so:.
And so a new disulfide link is formed between the two sulfurs, making the hair stronger. This happens pretty quickly — unlike with hair straightening and perming, these reactions will happen faster than the peroxide capping reaction, meaning hair damage during colouring is drastically reduced.
Pretty cool, huh? There are no published independent scientific trials yet , apart from thousands of rave reviews and before-and-after photos , which are pretty dramatic. Olaplex comes out on top by far, even though the other two proprietary treatments make similar claims strengthens hair from the inside out, repairs bonds.
Olaplex is now routinely used in bleaching treatments, and can get black hair to white in a single session, without the hair becoming overly fragile!
Olaplex No. There are lots of ways that Olaplex recommend using No. It has an identical ingredient list to Olaplex No. It does look like a pretty nice shampoo though. I had a few questions about Olaplex based on the mechanism of how it works — these are very speculative!
Since this method forms disulfide bonds much faster than traditional methods, could Olaplex be used for perms where you can wash your hair straight away? Why did the inventors choose to use ionic bonds?
Is it because the ionic bonds used here are unusually strong or have slightly more angular freedom covalent bonds are like rigid welded joints, while ionic bonds are a bit more like ball-and-socket joints? Is it planned obsolescence, so they can unveil Olaplex Permanent 2. With normal hair, the weakest list is usually the disulfide bond.
When it breaks, is becomes free thiols, which can be repaired with oxygen or peroxide very slowly and unreliably or Olaplex quickly and probably reliably.
But what happens when Olaplex comes into the picture? From a chemical perspective, Olaplex could definitely work to repair hair in a way which no other product on the market currently does. There are also some sellers of Olaplex on Amazon. This post contains affiliate links — if you decide to click through and support Lab Muffin financially, thank you!
For more information, see Disclosure Policy. If you need any more technical information from Greg or Eric they are happy to answer questions you may have? Kind Regards Ed Connaghan. You would not perm hair with it.. But added to perm solutions would help to repair bonds that would be compromised by chemical damage x. In our trials we have used Olaplex, Cureplex, Snapplex these treatments, in our experience with them only benefited hair that is already very damaged.
In my experience during this trail with these products they have a limited place but it is not a Miracle cure that Marketing would have it be. It does seem penetrate the cuticle layer and the ingredient seemed to act like a support system for the disulphide bond, this however is not permanent and it left the hair and the damage already existing remained in all the cases we saw.
But Like I said if you have very damaged hair and you want to push it some more, the products may add a level of protection in these cases. I have had the in salon treatment and the take home bottle. My experience was just negative.
I was sceptical so if there had been no perceptible change I would not have been compelled to comment. However, My hair actually felt worse. There was a change in texture but not in a good way, more like there was product left in my hair. When I dried it it was even worse obviously! It was also just as prone to breakage the whole time, so there was absolutely no difference there. I would honestly suggest you err on the side of caution. One other thing I also noticed was my hands would be very dry on the day I used this.
There was enough to use once a week until my next appointment but a only used it 4 times and then refused it at the salon when I had my next colour. The same happened to my hair and I feel for you!! Please do not blame you Salon or the Stylist!! You are not alone, I have found people all over the internet that has the same issues!!
You will see The Truth will come out!! I have no idea, I had to cut my hair off…I wish I had an answer for you and i feel for you! I have the same thing…. Change in texture and not in a good way. I used to have great body in my hair. If I use extra product for body it feels really dirty and like there is too much product. I wish I could find someone who has had it done several months ago to see how long this effect will last in my hair.
So upset. My hair also 6 days later washing 3x in the 6 days always feels like product is on it when there is none i m getting so mych breakage while combing it wet. Olaplex can have negative results of you have any build up on your hair from water products etc. Do you have a natural wave or curl pattern in your hair?
I can not speak on the other brands but I have used Olaplex. I have had hair feel better after lightening than it did before we started and this is using 30 and 40 volume for up to an hour.
And as far as barely lightening with 12 volume I would expect that. If you follow the directions and dont exceed what the hair can handle you too could have great results. For adding to color I dont exceed an 8th of an ounce per ounce of color. And if you are using with lightening you need to increase your volume by 10 for the result you are looking for.
If you are looking for a 10 volume result you need to bump it up to 20 volume and so forth. So if you used 12 volume that would be in anticipation of a 2 volume result so if it barely lifted that would be correct.
In my experience as a Wella MCE, unpredictable, bad, worse, unusal colour results or development always stem from the user, not the product. As for people saying the hair felt worse or that there was a residue, again you blame the stylist not the product. More importantly, though, you and the stylist must understand what Olaplex does. Why is this so important? Yes, you need the bonds to be connected, but chemicals and environmental factors also strip the hair of its protein and moisture.
This is very important to understand because you can use Olaplex to prevent breakage and to improve hair integrity and also help colour to last longer — I use it constantly with great results. There are different ways something can have good or bad condition. BUT, the leather is still dry and stiff. One would need, also, to treat the leather to have it supple.
This analogy, with the stitching relating to Olaplex and treatment of leather for suppleness relating to condition treatments penetrating conditioners represents the hair. Ofcourse all the salons that use it are going to give positive feedback to Olaplex, if it is making them money?? I desperately want to get my bleached hair chemically straightened but after reading so many bad reviews how can I?? You are very smart!! Try Mondo Verde Hair Care. I read your article which was very insightful.
But, typically, most ionic bonds are actually stronger than covalents. They form a tighter lattice structure. The ionic definitely have higher boiling points and melting points and they move less compared to covalent bonds especially with single bonds that are always creating dipole to dipole moments which break easier.
The first was 6 hours long and three applications and the second took 3 hours. My hair went from v dark brown to ginger. I had very long hair and its now below shoulder but thin and broken and horrible. It has totally ruined my hair. Olaplex did not ruin your hair. It might be the reason you have any hair left.
Olaplex should be used to mitigate any damage that will occur from lightening your hair. I dont know why any stylist would have subjected you to lightening for 6 hours and 3 applications all in one session.
The very idea makes me cringe. I wanted to lighten my dark hair to a medium ash brown, and had to lighten it over 3 sessions to try to get the ash colour I wanted. I had hoped that the Olaplex would prevent any major damage. Its been about 8 months now since i did this and I find my hair getting more dry and brittle over time.
I would say the damage is from lightening, not the treatment itself. I increased the frequency of treatments but find they only last washes and then my hair is a tangled dry dull mess again.
Today, out of frustration and memories of how my hair used to feel before switching to Olaplex, I returned to a salon to get a double boost of Kerastase moisture and strengthening treatments and..
WOW I have my old hair back! I typically could go about 8 washes before needing another Kerastase treatment so it will be interesting to see how long this lasts, but i can honestly say today I am the happiest I have been with my hair in a very long time!
I use olaplex every day of my working life. It seems some hair stylists are forgetting all the rules of hair colouring when using olaplex as an additive. Colouring hair 3x in a day with or without olaplex will have a drying effect on the hair.
I am a 26 yr veteran in the industry. I use Joico 5XR and 20vol. I only color my hair once every 3 months or so. Blow dry only. I use Pureology hydrate. Olaplex left my hair so brittle and dried out that no conditioner or treatment had any effect. It might still be attached, but in my case it was horrible. As with any product you should strand test before putting all over your hair. It may not be for everyone or certain types of condition of hair.
Olaplex has never claimed to be a miracle lifter! The stylist are the one to use discretion when doing big jobs such as lifting dark to blonde. Usually recommend to do over numerous sessions.
It also has a lot to do with home care as well. Just saying Olaplex is worth every dime to my clients. Have you used it for yourself and formed any opinions about it? I dye my hair a darker color, and after doing so my hair feels rougher in texture. I applied the take home treatment to my hair afterwards and my hair was much shinier, softer, and less frizzy than even before I dyed it! I understand formula 1 is used during the bleach or coloring process but sev stylists have started Olaplex treatments in their salons for damaged hair, applying Olaplex 1, followed by adding Olaplex 2 after approx 30 minutes.
My question is related to the ability of Olaplex 1 to penetrate the hair when used without color or bleach. In your opinion, would using a low volume peroxide, such as volume 5, help open the hair for the product to fully work?
Or would the additional developer cause more damage to very badly damaged hair? I hope to find additional info from you! Thank you so much! My stylist has used Olaplex twice on my highlighted hair.
No medication. My hair is wrecked. I have just below shoulder length hair and I now have large sections that have broken off to approximately 2 inches from my scalp.
It is NOT my stylist. Olaplex has literally been my worst nightmare for my hair. I left it on for 4 hours and I remember the panic as I rinsed it out my hair felt like rough like holy crap ROUGH and so knotted together and it completely stripped all shine and it feels like its coated in something and had lost all volume.
Its been over 6 months and I still want to cry because my damaged hair is breaking more and more. The product should seriously have more warnings on it. I struggle to style, brush, manipulate my hair in any way. I want my pre-olaplex hair back sooo bad. Patience girls, just gotta let it grow? I have been using bond maintenance conditioner N. I have a question.. How often can I do a treatment on my hair..
Yes, you can do back to back treatments. I am a cosmetologist currently we or king with Olaplex snd am loving the results I have been getting. Make sure you shampoo and deep condition after the treatments. You need moisturd, pfot ed ins, and keratin added into hair also to help maintain and add health back into the hsir. Olaplex is definitely amazing!!! Hi I have dark very damaged hair.
I would like to stay dark but also help my hair. Can I use opalex? Or will it turn blonde? As only ready about blonde hair use. Thanks Caroline. Olaplex is not a protein and cannot be overused. What about using olaplex with well water? There are several residents here in North Carolina that are using well water.
The only effect that happens when there are minerals in the hair is that Olaplex is unable to penetrate through the buildup. This is something that has been happening over the years and is not caused by Olaplex. I also want to stress that if you do see this sort of reaction, to rinse immediately because although Olaplex is an insurance for the hair, it will NOT prevent damage from this type of chemical reaction.
If you have anymore questions, please Email me at [email protected]. How would one know if there were too many mineral deposits in the hair? This comment sort of scared me that olaplex could react badly if there is mineral buildup, and cause irrepreble damage….? I have well water and have had no problems for the last five years. I recently had application of olaplex and my hair felt dry and I experienced some breakage, more than normal with my color treatment.
My hairdresser contacted oloplex and they said it would not cause these problems. I just went for my second treatment and ended up with major breakage, dry brittle hair and all kinds of fuzzy breakage. I went back to hairdresser 1 week later to get a conditioning treatment.
He could not believe how damaged my hair was in one week. Your company claims that it cannot be the olaplex, but nothing has changed. My hair does not feel or look like my hair did prior to these applications. We contacted the company that treats our well water regularly to have them test water, they found no problems with the ph or softeners.
The only difference is olaplex. Have you seen this in any other clients? And, how would you know if I have mineral in my hair? Hello, I just wanted to say that I have also had a bad reaction to Olaplex. Here is the main thing. This product is not a permanent bond, in fact nothing is. This product is a temporary bond and will result in breakage either at the bowl or later at home when the bond is washed away. It increases the process time and in time with other clients salons are seeing this damage and people will realize this product is no miracle.
I regret falling for the hype on this. Time is key here. Other people are saying this same thing. I would rather have my service done in a reasonable time frame and adhere to good home care rather than have someone push this product only to break later. NOT worth it. They told me the same story they told you, that it can not create any damage!! Last winter my hair stylist advised me to try Olaplex. At first my hair looked fine, not better, not worse. I took home the step three and started using it according to the instructions.
But after two weeks I noticed that my hair started to become really dry. It became so brittle that it started to break off. I honestly wish I had never used this, the only thing different in the equation was the Olaplex. If people are reading this and have found a way to get their hair in good condition again after using Olaplex I would love to hear it.
Anyway, if you want my 2 cents, the product does not deliver and there are too many people who are having the same problems. All well water has certain minerals in it that cause a chain reaction. Do your shampoos, shower gels and soaps lather easily? If not, you likely have hard water which has mineral deposits — this is the nature of hard water.
I was told by friends with well water that their water behaves as hard water and has lots of deposits — a bit like bottled mineral waters come from underground sources. I live in a soft water area and Olaplex has made a big difference to my hair.
I colour my hair at home and only use the No 3, but follow the instructions and condition after use. Would email be an option to get in touch? Thanks, Debbie. Gostaria de saber se algum representante ja entrou em contato com voce, ou se voce ainda precisa de ajuda.
Is this s product good for only color treated hair also is it recommend for African American hair. Can you get Olaplex put in your hair to repair damaged hair split ends, dry hair or is it only to repair bleach damamged hair? Olaplex will repair bonds in hair structure. Can be used in any type hair. Just make sure you clarify the hair first to remove any build up and minerals. You can use before during and after!
Always clarify hair before a treatment to remove any unwanted build up. It helps the color last longer the colors are more vibrant and if done properly hair is like silk! Hi I am a hairdresser 34 yrs some one tried to sell this product to me to day I would like more info if you can provide so details about the products Steve chandler.
You can use it as much as you like. Daily weekly monthly just make sure clarify hair before to remove any kind of build up. I have very dry damaged wavy hair. I am allergic to MMA methyl methacrylate, acrylates and copolymers. It this treatment safe for me? Did you go to Olaplex. This article is headed by Lab Muffin not Olaplex. Have there been peer reviewed scientific studies of this product that prove it, literally, repairs damaged hair, as if the damage never took place?
What kind of damage can this product produce in hair, side effects? All in all, I suspect there are no peer reviewed studies of any of your products which, therefore, suggests your company may have a bit to hide, Mr. These are still valid questions. If independent studies prove the value of Olaplex then even more people will want to try it. Hi my email is [email protected] aol. Many thanks Rachel Bell. I was reading through the comments and felt i should share my experience with Olaplex.
I had stage 1 and 2 done at the salon a week ago and bought stage 3 for 1x week at home. BEFORE having the treatment done, my hair was severely damaged from over bleaching and very gummy when wet, i could not even touch my hair til it was dry.
I am an older woman 50 and i am sure this also has some effect on hair texture. AFTER the treatment my hair feels thicker, heavier like when i was a kid and very soft. I absolutely love the results and i hope that my weekly home treatments and every 2 month salon treatments will make my hair continue to feel like this. I want to grow my hair long again. This is my experience so far. Hi , can you just use no 2 olaplex by its self as i do not need to use number 1 , Thank you Mandy.
May we find out about the company behind Olaplex? Was it set up solely for Olaplex? Or did you produce and market other products before Olaplex? How long has the company been in existence? Hi i have very damaged bleached hair that is breaking and extremly dry i have done two treatments of olaplex now and its still really damaged ive just purchased ml of each and was wondering roughly how many treatments i need to do before my hair is repaired?
Also can i do 1 treatment a day to speed things up? Thank you roxanne. I use it about once a week according to the instructions although I try to leave it on as long as possible, sometimes several hours and I get great results. My hair is very soft and shiny afterwards. It's expensive, but on top of the impressive cooling features, this mattress has the high-quality foam that Tempur-Pedic is famous for. Multiplication Table Consumers venture into research that In the sections of the graph where the object was going through a phase change, the temperature stayed the same over time.
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Areas of interest span the basic sciences of chemistry, biochemistry and microbiology, through to pharmacology and clinical medicine, in the areas of mycobacterial pathogenesis and TB drug discovery research. Honorary Professor at UCT. His primary research interests are C-type lectin receptors and their role in homeostasis and immunity, with a particular focus on antifungal immunity. His research interests revolve around investigating immune regulation and dysregulation in the context of HIV infection or exposure.
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