Conditions: Hyperpigmentation
Allocation: RANDOMIZED | Intervention model: PARALLEL
Enrollment: 80
Healthy volunteers: yes

Brief summary:
The purpose of this study is to determine whether a topical Nu Skin product with or without a galvanic spa device improves brown spots on the face. The Nu Skin product will be compared to an over the counter moisturizer and tretinoin cream.

Detailed description:

Arms:
arm 1: None arm 2: None arm 3: None arm 4: None

Interventions: intervention 1: Nu Skin Product intervention 2: Cosmetic instrument intervention 3: Tretinoin cream 0.05 intervention 4: CeraVe moisturizer
Intervention descriptions: intervention 1: Thin layer of Nu Skin product applied to face. intervention 2: Cosmetic instrument with topical Nu Skin product. Thin layer of Nu Skin product applied to face followed by galvanic, used for 3 minutes. intervention 3: Thin layer of tretinoin applied to face. intervention 4: Thin layer of CeraVe applied to face.

Protocol document: