Helen Knaggs, Ph.D.
Vice President, Nu Skin Global Research and Development
Areas of Expertise:
- Global consumer skin care
- Sensory of products
- Skin biology
- Skin care product development
- Skin ethnicity
- Skin care ingredients
To speak with any of the experts listed below, please contact a member of Nu Skin's corporate communications department.

Helen Knaggs, Ph.D.
Vice President, Nu Skin Global Research and Development
Areas of Expertise:
- Global consumer skin care
- Sensory of products
- Skin biology
- Skin care product development
- Skin ethnicity
- Skin care ingredients

Zoe Diane Draelos, M.D.
Scientific Advisor
Areas of Expertise:
- Anti-aging products
- Cosmetics
- Hair, nail, and skin care
- Skin diseases
- Sun protection

Alexa Boer Kimball, M.D., M.P.H
Associate Professor, Harvard Medical School. Vice Chair, Department of Dermatology, Massachusetts General Hospital
Areas of Expertise:
- Psoriasis
- Atopic dermatitis
- Acne
- Superficial basal cell carcinoma

Paul Cox, Ph.D.
Ethnobotanist, Scientific Advisor
Areas of Expertise:
- Conservation
- Drug discovery
- Ethnobotany
- Ethnobotanical skin care
- Tropical rain forest
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