Hydrophilic- Attracting or associating with water.
Hydroquinone- Hydroquinone has long been established as the most effective ingredient for reducing brown spots.
Hydrotherapy- A variety of treatments that take place in or using water, including underwater massage, herbal baths, balneotherapy (fresh or mineral water), thalassotherapy (sea water), Kneipp therapy, Vichy treatments, Scotch hoses, Swiss showers, and bubbles or jets.
Hydrotub- Also called a hydrotherapy tub. A special tub equipped with high-pressure jets and a hand-manipulated hose designed to deliver underwater massage and therapeutic baths.
Hydrogenated Starch Hydrolysate- The end product of hydrolyzing starch, a polysaccharide carbohydrate.
Hydrogenated Vegetable Glycerides Citrate- A hydrogenated blend of vegetable glycerides that functions chiefly as an emollient and emulsifier in cosmetics.
Hydrolyzed Acacia Macrostachya Seed Extract- The extract from the seed of the Acacia macrostachya plant, a tropical shrub.
Hydrolyzed Corn Starch- A form of the natural absorbent corn starch that has been hydrolyzed.
Hydrolyzed Glycosaminoglycans- A skin-restorative ingredient that has been hydrolyzed.
Hydrolyzed Jojoba Esters- Essential fatty acids from the jojoba plant, broken down by water to form a new complex.