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  • I haven't seen any scientific studies on this but most of what I've read says that filing back and forth is bad for the nail. 
  • 1. Retinol, Vit C and niacinamide are the most effective anti-aging ingredients we've seen. The data on CoQ10 is not as strong.  2. Yes.  3. It depends on the formula but in general we recommend not hacking products like that.  4. Compliment. (more …
  • Ah, I see. I have seen terms like this used to characterize different emulsion structures especially when liquid crystals are involved.  Honestly, I don't understand how it would help skin retain water better (which seems to be the primary benefit b…
  • Never heard of anything like this in cosmetics but here's an industrial product with the same name.  http://www.taica.co.jp/gel-english/alpha/ Maybe they're trying to transfer the technology to skin products? I have no idea. 
  • Yes, that would be great! I'm a bit backed up right now so it'll be a while before I can record a podcast with the answer but we'll certainly use your voice if you can send us a recording.  THANK YOU! 
  • Hair thickening products only temporarily give hair volume they don't make you grow more hair or increase hair diameter. (Unless it's a drug product like Minoxidil.)
  • Yes, it's possible that a product can deliver benefits that a consumer can not perceive. 
  • We approve of any product that makes your skin feel the way you like and that is reasonably priced. Unfortunately, a lot of anti-aging neck creams are over priced and over promised.  
  • Even though shampoos are not optimized for washing your face, most likely nothing will go wrong.  
  • Hi Valia. As cosmetic chemists we don't really deal with these dermatological procedures. Perhaps you could check with your dermatologist. 
  • Hi, Yapon! It's true that the outer layer of hair suffers the greatest damage - from the sun, brushing, and maybe even chemical processing depending on how it's done. That certainly could account for the difference. 
  • The product does contain some peptides that are fairly well established to have some anti-aging properties. But I'm not aware of any topically applied cream or lotion that will truly tighten neck skin (assuming that's what you mean by "anti-scraggly…
  • The testing I was referring to was specifically for hairsprays.  Regarding thermal protection: We've written about that before. You may find this helpful:  http://thebeautybrains.com/2008/04/how-to-protect-your-hair-from-heat-damage/ http://thebeaut…
  • We did a lot of testing on Tresemme hair sprays (the Tres II version specifically) to show it gave the best balance of hold, feel and humidity resistance. You might start with that. 
  • The quick answer is that different polymers balance hold, feel, and humidity resistance differently. The first two you mentioned give a very stiff hold that some people find too crunchy and they can pick up some moisture. The other polymers are desi…
  • Makes sense although I guess that answer is vague enough that it could work either way. It also depends on who was giving you the answer. A lot of times the scientists in the company aren't the ones directly corresponding with the public. 
  • Interesting question (once you were properly caffeinated.) I haven't seen any data comparing the two delivery vehicles but my hunch is that it doesn't make any difference. 
    in Ceramides Comment by RandyS July 16
  • Based on my formulator's gut, 20% seems excessive. 1-10% seems reasonable. 
  • Sorry but I don't understand the question.  Are you asking about the efficacy of ceramides when delivered in an oil vs when delivered by an emulsion?  Or are you asking about the efficacy of ceramides compared to other ingredients used in moisturize…
    in Ceramides Comment by RandyS July 15
  • Check out this thread for a basic explanation: http://thebeautybrains.com/bbforum/index.php?p=/discussion/693/how-does-olaplex-work
  • As of right now the best science says the greatest danger is skin cancer from over-exposure to the sun. The dangers of using sunscreen, sunless tanners or bronzing powders pale in comparison. (Pun intended.)
  • Correct about Pantent. It's difficult, if not impossible, to assess how well a product will dilution deposit just from reviewing the ingredients.  Glycerin in rinse off products doesn't do much of anything. We've seen some deposition of panthenol wh…
  • If properly formulated conditioning agents can be VERY effective from a shampoo system. But the ingredients have to be either chemically modified to stick to hair through a charge interaction or they have to be suspended in such a way that they depo…
  • There's nothing about the conditioner that would justify a high price. The shampoo is built with premium surfactants such as Sodium Lauroyl Methyl Isethionate, Dosodium Laureth Sulfosuccinate, and Sodium Laurel Sarcosinate which increase the cost. Y…
  • There are differences of opinion in science, this happens all the time. "Objective" doesn't mean that science is single minded. Ideally, differences of opinion lead to new hypotheses which lead to more testing that reveals new answers. Unfortunately…
  • Interesting notion. I'm not aware of any "less is more" approach for conditioners. 
  • I don' see anything in this formula that would damage your hair as long as you're not sensitive to sulfates. 
  • I'm not sure I totally understand your question but if you're asking if conditioning before shampooing can help reduce damage, the answer is yes. It also means that your hair might not get as clean. Brush out hairspray won't clean your hair of oil o…
  • This product is mostly silicone. The oil is just there for show. And for what it's worth, we've never seen data showing anything penetrates better than coconut oil. 
  • It's hard to tell just from the ingredients but here's what I think: The toner won't do much of anything.  The Lotion/Essence does have glycerin, NAHA and sodium PCA which may provide some moisturization if there's there's enough in the product. It …

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