Ingredient Dictionary

Good

D&C

According to the FDA, D&C is an identification that indicates a coloring agent has been approved as... Read More »

Categories: Coloring Agents/Pigments

Good

D&C colors

General term for a wide group of color additives that are approved for use in drugs and cosmetics... Read More »

Categories: Coloring Agents/Pigments

Best

d-alpha-tocopherol

Antioxidant that's considered the most biologically active form of vitamin E. Read More »

Categories: Antioxidants, Vitamins

Poor

daisy flower extract

There is no research showing this extract has any benefit for skin. Also known as tansy, it can... Read More »

Categories: Plant Extracts, Irritants

Poor

dandelion extract

Can be a potent allergen (Source: Archives of Dermatology, January 1999, pages 67–70). Read More »

Categories: Irritants, Plant Extracts

Poor

Daucus carota

Also known as wild carrot. It can have antioxidant properties, but applied topically it can cause... Read More »

Categories: Plant Extracts, Antioxidants, Irritants

Average

DEA

See diethanolamine

Categories: Miscellaneous

Good

DEA oleth-10 phosphate

Used as an emulsifying agent, which is a group of ingredients essential to most cosmetic... Read More »

Categories: Thickeners/Emulsifiers

Good

Dead Sea minerals

Several studies demonstrate that Dead Sea minerals can have a positive effect on psoriatic skin... Read More »

Categories: Miscellaneous

Best

decarboxy carnosine HCL

See carnosine , cell-communicating ingredients

Categories: Cell-Communicating Ingredients, Anti-Irritants

Good

decyl glucoside

Used as a gentle detergent cleansing agent. Read More »

Categories: Surfactants/Detergent Cleansing Agents

Good

decyl oleate

A skin-conditioning agent derived from the esters of decyl alcohol and oleic acid. Read More »

Categories: Emollients

Good

decylene glycol

A synthetic glycol that functions as a skin-conditioning agent. Read More »

Categories: Skin-Identical/Repairing Ingredients, Slip Agents

Good

dehydroacetic acid

A synthetic preservative uses in amounts of 0.6% or less. Sometimes its salt form (known as sodium... Read More »

Categories: Preservatives

Average

dehydroepiandrosterone

See DHEA

Categories: Miscellaneous

Good

deionized/demineralized water

Filtered water used in cosmetics. All water used in cosmetic formulations goes through this process... Read More »

Categories: Miscellaneous

Poor

denatured alcohol

See alcohol

Categories: Irritants

Average

deoxyribonucleic acid

See DNA

Categories: Miscellaneous

Good

detergent cleansing agent

See surfactant

Categories: Surfactants/Detergent Cleansing Agents

Average

deuterium oxide

See heavy water

Categories: Miscellaneous

Good

dextran

Polysaccharide that has water-binding properties for skin. Read More »

Categories: Skin-Identical/Repairing Ingredients

Good

dextrin

Carbohydrate that is classified as a polysaccharide. It is used as an adhesive when mixed with... Read More »

Categories: Film-Forming/Holding Agents

Good

DHA

See dihydroxyacetone

Categories: Miscellaneous

Average

DHEA

Also called prasterone and dehydroepiandrosterone, DHEA is a naturally occurring steroid hormone... Read More »

Categories: Miscellaneous

Good

di-PPG-3 myristyl ether adipate

Derivative of myristyl alcohol (a fatty alcohol) and adipic acid (a buffering and neutralizing... Read More »

Categories: Thickeners/Emulsifiers

Results Per Page:
Page 1 of 4 Next »

About the Experts

Paula Begoun is the best-selling author of 20 books on skin care and makeup. She is known worldwide as the Cosmetics Cop and creator of Paula's Choice. Paula's expertise has led to hundreds of appearances on national and international television including:

View Media Highlights

The Paula's Choice Research Team is dedicated to helping you find the absolute best products for your skin, using research-based criteria to review beauty products from an honest, balanced perspective. Each member of the team was personally trained by Paula herself.

585633-IIS5 v1.0.0.344 10/21/2014 12:21:14 AM
Skip to Top of Page
FREE Shipping on Everything   |   FREE Antioxidant Retinol Serum on $50+   |   5 FREE Samples

Create an Account

Create Account»
  • »

New Customers

You will have the option to create an account after you have submitted your order.