A humectant is a substance used primarily in foods and cosmetic products to help retain moisture. These substances are called hygroscopic, which means that they are able to absorb water.
Natural Humectants:
- Glycerin
- Honey
- Panthenol(pro-vitamin B5)
- Lecithin
Synthetic Humectants:
- Propylene Glycol-causes irritation and contact dermatitis
- Ethylene/Diethylene Glycol-causes irritation and contact dermatitis
- PEG Compounds(eg Polyethylene Glycol)-may contain the toxic by-product dioxane
- Synthetic alcohols (eg Glyceryl Coconate, Hydroxystearate, Myristate, Oleate)
Natural Anti-Humectants:
- Shea Butter
- Organic Beeswax
- Hydrogenated Castor Oil
- Coconut Oil
- Palm Oil
- Extra Virgin Olive Oil
Synthetic Anti-Humectants:
- Silicones
- Esters(such as isopropyl palmitate)
Sources:
No comments:
Post a Comment