Quicky beauty science questions Episode 78

This week we try something different: instead of taking one question and giving  it a very in depth answer, we a answer several questions very shallowly. Listen to the show and let us know what you think of this approach. Are hair masks better than regular conditioners? Alexandra asks…Is there a real difference between hair masks and regular conditioners. Or are masks just overpriced. Can you apply either in advance of shampoo and in case of oily or short hair?  Of course it depends on which specific products you’re looking at, but in many cases “masks” and deep conditioners are not much different than regular rinse out products. (We’ve formulated such products.) What is a “mask” in the context of hair anyway? Skin masks contain clay which dry on the skin to form a tight film. Hair masks don’t do that. It’s really just a marketing gimmick. Do thickeners stop active ingredients from penetrating? Erin asks…I’ve looked everywhere for information on the occlusive ratings for waxes and can’t seem to find any information. Do thickeners, such as glyceryl stearate SE, beeswax, cera bellina, etc. still allow penetration of goodies such as vitamin e, panthenol, and vitamins? Obviously, the percentage of wax would be a factor, but are some less occlusive than others? You’d think there would be some sort or rating guide out there somewhere. Occlusivity typically means an ingredient will form a water proof layer on the skin that will keep moistu...
Source: thebeautybrains.com - Category: Consumer Health News Authors: Source Type: blogs