Ingredient Guide

K…

Kaolin is natural clay mineral that is used in oil control cosmetics for its absorbent properties.
Products with this ingredient:

• Bare Escentuals RareMinerals™ Renew & Reveal Facial Cleanser
• Borghese Fango Active Mud for Delicate Dry Skin
• The Body Shop Honey & Oat 3-in-1 Scrub Mask
• Kiehl's Rare-Earth Oatmeal Milk Facial Cleanser #1
• Lush Mask of Magnaminty Cleanser

Kinetin is a plant hormone responsible for cell turnover in vitro, trade name N6-furfuryladenine. Although the benefits of topical use has not been fully invesigated, it may have anti-aging effect including reducing wrinkles, offsetting sun damage, reducing surfaced capillaries.
Products with this ingredient:

• DDF Brightening Cleanser
• Kinerase Restructure Firming Cream

Kniphofia uvaria nectar is derived from the plant commonly known as red hot poker or torch lily. No skin benefits have been reported.

Kojic acid effectively inhibits melanin production. But the stability of kojic acid has remained an issue keeping it from being widely used in cosmetic formulations. It loses its activity once exposed to air or sunlight.
Products with this ingredient: Kinerase products

Kola nut contains large amount of caffeine. But it also has considerate amount of amine that can form nitrosamines, which are potential carcinogens.

Krameria triandria root extract is a powerful astringent that has anti-inflammatory properties. But it may cause skin tightening and discomfort.

Kudzu root can be a potent antioxidant.
Products with this ingredient: Decleor Expression de L'Age Radiance Smoothing Cream