RandyS

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RandyS
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  • We've been able to find very little data showing that devices like this really work. And the data we have seen doesn't compare the device to any standard product like a retinol cream. Without more convincing evidence I'm very skeptical that a device…
  • Any product packaged in a jar will be more exposed to the air than a product dispensed from a sealed container (like an airless pump.) Anytime the product is exposed to air, the antioxidants have an opportunity to be used up. So I'm not saying that …
  • From what I've seen most products still need to be reapplied every couple of hours. If you are using a newer product that specifically states it lasts longer then I suppose you can apply less frequently. This is one of those cases where it's better …
  • It's impossible to say for sure without some kind of test data. The technique you described would help limit exposure to air so that should help. It also depends on how well stabilized the antioxidants are.
  • Regarding "diluting shampoo is better than direct application on the scalp:" If your scalp is sensitive to certain shampoo ingredients you're better off changing shampoos to avoid those ingredients rather than diluting the shampoo to lower their con…
  • Based on the ingredients, I don't see how the second one could be different enough to merit a big difference in cost. So I say no. (Unless you really love the fragrance or some other aesethetic factor.)
  • It's confusing. The conventional wisdom on HA is that it's too big to penetrate and that it works by moisturizing the upper layers of skin. We have seen a couple of studies showing LMHA can penetrate skin and "work from within" but to be honest ther…
  • It's because the other ingredients in the formula can have an impact on the SPF.
  • Wet hair breaks more easily so be even a little more careful if you choose to we comb.
  • Lemon juice does not seal the cuticle. Stick with a good conditioner.
  • Correct.
  • Bad idea - the shampoo may not work as well, it could cause conditioning agents to separate, and (worst of all) it will compromise the preservative system of the product which may lead to it becoming contaminated.
  • This appears to be a nice sulfate free formula but the basis for the product is that, unlike other shampoos, it doesn't contain ingredients that dull hair and cause hair loss. This is a false premise. Personally I think it's ridiculous to spend …
  • I agree with Patrick, it appears that the product has way more ingredients than it really needs to get the job done.
  • Yes, sort of. It is confusing!
  • Both of these are more conditioning than a shine spray, so that's good. The DryBar product is essentially a rinse out conditioner in spray form. I don't really see how these would work with a dry shampoo, though, because dry shampoos leave a powder …
  • I haven't seen this yet. If you can you post the ingredients (or link to a specific product) I'll take a look.
  • Kristina, thanks for your comment but we don't allow spam links in the forum so I've removed the one you added to your post. Thanks for understanding.
  • It's difficult to find a reliable list of comedogenic ingredients. I can't find any scientific sources that say sodium chloride is comedogenic. (If anyone else has a good reference please let me know so I can confirm it!) Also remember that these…
  • I haven't seen any data on this but it's coconut oil does penetrate hair to water proof it from the inside out. Since the bleaching solution is water based it makes sense that the oil could inhibit its penetration as well. If that's the case the oil…
  • Nope. There's no science behind this that I'm aware of. We talked about using caffeine for cellulite here: http://thebeautybrains.com/2014/03/can-you-cure-cellulite-with-coffee-grounds-the-beauty-brains-show-episode-23/
  • We answered this question back in Episode 153. Here's what we said: Let’s start by explaining a bit about the benzene controversy. Benzene, which is a 6 carbon ring, has been proven to be carcinogenic. The benzene can come from benzoates which a…
  • Every brand is different. There is no "prescription" for what goes in a smoothing product vs a product for curly hair. Yes, you'll find differences from product to product and brand to brand but for the most part the difference is in the marketing.
  • A regular rinse out conditioner won't relax/straighten hair. You need something that will react with hair protein to truly accomplish that. Of course you could use a heavy leave in product that would coat the hair and weigh it down to provide tempor…
  • Most cosmetics are tested to ensure they're ok for at least 3 years under the right conditions. Powders typically last a long time because they don't have any water. There are some conditions that can make powders "go bad." If you're storing pow…
  • For the most part this is a myth. We've talked to some of the top experts in the world for silicone chemistry and they say that shampoo will remove silicone just fine. If your hair is really porous you might need a second shampooing or make sure you…
  • Is there any reason to not remove serums? I don't understand...the only way to not remove it/leave it in your hair forever is to never wash your hair. Coconut oil will not make serums easier to remove because dimethicone (the type of silicone us…
  • High heat can be more damaging than cool air. But the catch is that there is data showing that even allowing hair to dry at room temperature can be damaging because the hair remains wet longer. I've never seen a study testing these exact conditi…
  • The basic conditioning ingredients in both look like they should do a good job.
  • Not necessarily. If it's a rinse out conditioner the ability of the ingredients of remain on the hair after rinsing is more important.

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