Film Forming Humectants - What They Are and Why You Need Them
What is a film-forming humectant? It's a term for a group of ingredients that are moisturizers par excellence! Especially for hair that is easily weighed down by conditioners, or hair that oils or conditioners seem to sit on top of instead of "soak in." There is a list near the end of this page of products emphasizing film-forming humectants. ©Science-y Hair Blog 2014 Rather than just attract water when water is abundant like glycerin or sorbitol do, film-forming humectants form a film over your hair that helps your hair resist dehydration. ©Science-y Hair Blog 2014 Humectant ingredients in products (once the hair is dry) can release the water they initially attracted when the air when the air around your hair is dry. Some humectants release water fairly readily like glycerin or sorbitol. When humectants form a film, water is slowed down by needing to pass through the film, therefore water loss from your hair to the air around it is slowed. With film-forming humectant...