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Glossary Terms G - I

Need an explanation, information, or definition of a common acne or skin care term? Find the answers you're looking for here.
Glycolic Acid
You know glycolic acid is in many of your skin care products, from cleansers to moisturizers. What is glycolic acid, though, and how does this alpha hydroxy acid (AHA) help your skin?
Hair Follicle
The definition of the hair follicle.
Hydroquinone
What is hydroquinone?
Hyperpigmentation
What is hyperpigmentation? Learn more about hyperpigmentation, and why it occurs.
Hypertrophic Scars
Learn more about hypertrophic and keloid scarring.
Hypopigmentation
What is hypopigmentation? Learn more about hypopigmentation, and why a loss of skin color occurs.
Ice Pick Scar
An explanation of ice pick scars, a common type of acne scarring.
Isotretinoin
Basic information on Accutane acne treatment, how it works, and it's potential side effects.
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