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H

Hyaluronic Acid 

A sugar molecule which increases the skin’s moisture content. Hyaluronic acid can hold 1000 times its weight in water.

Hyperpigmentation

Often triggered by UV light exposure, a wound, illness, hormonal changes, or certain drugs, this darkening of the skin might appear as a uniform tan, melasma (patches of discoloration), or an isolated acne scar.

Hypoallergenic 

generally used to mean that the product is less likely to cause an allergic reaction. This does not guarantee you will not react, you will still need to check specific ingredients if you are super sensitive.