Learn More: Skin Care Science
Skin Care Products -- Popular Ingredients -- F - Q
- Fatty acids are lipids (fats) that are natural moisturizing factors that act as emollients for the skin. This group includes phospholipids, triglycerides, and sterols.
- Glycerin (glycerol) is a compound that acts both as an emollient and a humectant to smooth and hydrate skin.
- Hyaluronic acid (cyclic acid) is a compound with excellent water-binding capacity that helps hydrate the skin.
- Hydroquinone is a skin-lightening agent that may help reduce the appearance of freckles, age spots, and other skin blemishes.
- Kaolin is a mineral compound found in clay masks and certain types of makeup that helps absorb excess oil.
- Lanolin is a moisturizing and emollient compound derived from sheep that may provoke skin irritation in sensitive individuals, especially those who have eczema.
- Panthenol is the chemical name for vitamin B5, a vitamin that may promote skin healing. Panthenol also possesses significant water-binding ability, so it acts as a humectant.
- Para-aminobenzoic acid (PABA) is an ingredient once used in sunscreens that causes skin irritation.
- Parabens are preservatives found in some skin care products; they may be among the least irritating preservatives for people who have sensitive skin.
- Petroleum (Vaseline®) is a heavy, highly occlusive compound that is very effective for sealing moisture into the skin and preventing moisture loss, but it may provoke breakouts.
- Propylene glycol is a substance that attracts and binds water, acting as a humectant in moisturizers.