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  • The functional ingredient here is the vitamin C derivative. Ascorbic acid is the form of the vitamin C that actually provides skin benefits so other forms (including their tetrahexadecyl version) have to be converted to ascorbic acid on the skin. Th…
  • Very interesting! It hadn't occurred to me that lowering the pH could protonate some components of the egg and help them deposit on hair. Does anyone want to experiment with egg and lemon juice conditioner?
  • Sal acid loosens the bonds between the uppermost dead skin cells in the stratum corneum. My understanding is that ceramides penetrate deeper and improve the barrier function of skin. So it's conceivable how a product could contain both. (Although ty…
  • These products they’re another variation on the “sucking lip plumper” trend. They’re like little plastic cup that you press against your lips – you suck on them to create a vacuum which pulls fluid into your lips. This hydraulic pressure provides a …
  • "Hair exfoliator" is just a made up marketing term. With skin you want to exfoliate to encourage the upper layers of the skin to slough off which helps trigger the production of new skin cells. With hair, the last thing you want to do is scrape …
  • I'm not aware of any scientific reason why egg would help your hair in the way that you describe.
  • It is possible.
  • Hyaluronic acid won't provide any benefit from a rinse off cleanser.
  • To be honest, I don't understand the method you described. Splits show up at the ends of the hair so trimming the ends should be perfectly fine. I don't see why you would have to "chop above the split."
  • Unless they're from a controlled scientific study, other people's photos can't be taken as proof. Are you feeling the improvement in your hair when wet right after rinsing or after drying?
  • I don't know but to be safe I would check with the manufacturer of your sunscreen product.
  • If you left the egg in your hair the protein film could make it feel different. But if you're rinsing it out, it won't have any residual benefit. Proteins don't provide much benefit for hair unless their chemically modified to stick to hair through …
  • Seems like a very reasonable formula. It contains oatmeal which can have skin soothing properties. Here are the ingredients: Active Ingredient: Colloidal oatmeal 1%. Inactive Ingredients: Water, glycerin, caprylic/capric triglyceride, panthen…
  • SLES and betaine is perfectly fine and is the combination of choice by many formulators. In some cases you may need the extra cleaning power of SLS. It's totally up to you.
  • Search the Forum for The Ordinary. There are several discussion threads that you might find helpful.
  • Honestly I don't know. We did write a piece on boar bristle brushes a while back. Here it is in case it's helpful: Georgina asks…Are boar bristle brushes better for your hair? I’m looking at a Mason Pearson brush that’s about $100 and I want to k…
    in Tangle Teezer Comment by RandyS May 17
  • You got it.
  • I'm not sure I understand the question but if you're asking if that sound is caused by the polymer film breaking rather than your hair, then the answer is yes.
  • Different forms of dimethicone have different properties (and therefore may not feel as heavy.)
  • Proharin? LOL! So according to this single study, Astressin-B, when injected, can improve hair regrowth for certain specific types of hair loss on mice. That doesn't say anything about what a product with this ingredient will do when applied top…
    in Astressin-B Comment by RandyS May 11
  • I have seen it used in leave in products, especially shine serums. But some people don't like to use it because it can be too heavy.
  • I have never seen any data showing that sweat or scalp oil will inhibit hair growth. It is true that if you're very malnourished your hair will suffer.
  • No, as long as you wait a while after applying the sunscreen. That's because sunscreens (especially the chemical type) take a while to form a contiguous film. How long to wait? There's some evidence that says about 30 minutes is optimum. Of cour…
  • It doesn't contain the active ingredient that's proven to work so unless the company has evidence to the contrary, I don't see why it would be as effective.
  • Hmmm. This is strange. I clicked the link you gave me and it takes me to a different ingredient list. (Copied below). The big difference is this version shows the product contains the same active ingredient as several other lash enhancers: Isopro…
  • If you can post the ingredients and a link to the product, I'll take a look at it.
  • Sorry, I really don't know.
  • Dimethicone can deposit and stay on hair during rinsing using a mechanism known as "dilution deposition." Others, like Amodimethicone and bis-aminopropyl dimethicone, are chemically modified to have a positive charge so they can stay behind through …
  • You can think of it like this: Open mouth contains are the worst because they expose the product to more oxygen each time you use it. Regular pump products are better but they can let air into the package when you pump. (Otherwise a vacuum w…
  • Shea has not been proven to penetrate hair like coconut oil does so it won't have the same protective properties.

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