Skin & Hair Glossary of ingredients & terms. Defining what skin & hair ingredients are and how to best use them. Updated regularly.

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U

Ubiquinone

Ubiquinone is CoQ10, a necessary oral supplement for collagen production. After age 30, the necessary natural levels of Ubiquinone decrease in our bodies, making collagen production levels decrease. COQ10 is a topical vitamin in skincare to improve skin texture and elastin production. Co-Enzyme Q-10 in the skin decreases with sun exposure. Ubiquinone is necessary for collagen synthesis. Ubiquinone has many health and beauty benefits. See CoQ10.

Ultraviolet A (UVA) Rays

Ultraviolet A (UVA) Rays. UVA is considered the sun rays that cause aging. These sun rays penetrate deeper into the skin and cause photosensitivity reactions.

Ultraviolet B (UVB) Rays

Ultraviolet B (UVB) Rays. UVB rays can cause a sunburn. These rays are associated with skin damage and skin cancer due to sun exposure.

Ursolic Acid

Ursolic Acid is found in fruit peels, Rosemary and thyme. It increases the production of collagen and ceramides while reducing photo-damage.

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UV filters

UV filters are products and ingredients that protect the skin by filtering UV rays emitted from sunlight and some UV ray producing artificial light.

About the DEFINING BEAUTY GLOSSARY of the Best Skincare Ingredients You Will Love

The DEFINING BEAUTY Glossary is a comprehensive A to Z guide to skincare, beauty and haircare ingredients. This page focuses on terms beginning with the letter U.

This includes what is Ubiquinone, Ultraviolet A (UVA) Rays, Ultraviolet B (UVB) Rays, Ursolic Acid, UV filters.