1. Ingredient Key Terms Chapter 11

2. Antioxidants Applied topically, they neutralize free radicals and are added to cosmetics to prevent oxidation

3. Binders Bind or hold products together, glycerin is an example

4. Humectants Draw moisture to the skin and diminish lines caused by dryness

5. Solvents Dissolve other ingredients

6. Surfactants Allow the cosmetic to slip across the skin. Sodium laureate sulfate is an example

7. Vehicles Spreading agents that carry other ingredients into the skin

8. Alcohol Used as an antiseptic and solvent in perfumes

9. Allanation Used for its ability to help heal wounds and skin ulcers and stimulate the growth of healthy tissue

10. Alum A strong astringent action and is usually used as a styptic to stop bleeding

11. Collagen A large, long chain of protein that lies on top of the skin and prevents water loss

12. Echinacea Is used internally to support the immune system

13. Green Tea Antibacterial, anti-inflammatory, and a stimulant, it is helpful for couperose skin

14. Horsechestnut An extract containing bioflavonoids. It strengthens capillary walls (aka Vitamin P)

15. Hyaluronic Acid A hydrophilic agent with excellent water binding properties +

16. Lanolin An emollient that is a derivative of sheep’s wool

17. Liposomes Used to transport other agents such as antioxidants into the skin

18. Mineral Oil An emollient derived from petroleum that is clear and odorless

19. Petroleum Jelly An occlusive agent used after laser surgery to protect the skin as it heals

20. Salicylic Acid A betahydroxy acid with exfoliating and antiseptic properties found in sweet birch, willow bark, and wintergreen

21. Sorbitol A humectant that absorbs moisture to prevent skin dryness

22. Squalene Obtained from shark liver oil and found in human sebum

23. Titanium Dioxide A nonchemical ingredient that blocks UV rays

24. Urea Properties include enhancing the penetration abilities of other substances

25. Zinc Oxide Used to protect, soothe and heal the skin. It is an excellent barrier to the sun and other irritants