10 clinically proven ingredients
|1. Bearberry||Skin brightening. Improvement in appearance of uneven skin tone.||Biol Pharm Bull.|
|2. Mulberry||Skin brightening. Improvement in appearance of uneven skin tone.||Cosmetics and Toiletries|
|3. Licorice||Skin brightening. Improvement in appearance of uneven skin tone.||Medline|
|4. Shanzha (Chinese Hawthorne)||Skin brightening. Improvement in appearance of uneven skin tone.||Hebei Zhongyi Zazhi|
|5. Huang Qi (Milk Vetch)||Skin brightening. Improvement in appearance of uneven skin tone.||Biol Pharm Bull.|
|6. Fo-Ti (Chinese Knotweed)||Visible improvement in the appearance of aging skin, including fine lines, sagging and photoaging.||Brazilian J Med Bio.|
|7. Panex Ginseng||Visible improvement in skin tone, smoothness and wrinkles.||Journal Ethnopharmacology|
|8. Tea Tree Oil||Natural antiseptic, anti-fungal and antibacterial.||Journal Fam. Pract.|
|9. Vitamin E||Natural antioxidant. Particularly effective in improving skin appearance and sensitivity related to photoaging.||Archives of Biochemistry and Biophysics|
|10. Vitamin A||Visible improvement in skin tone and smoothness. Efficacy in improving appearance of
|J Am Acad Dermatol.|
Dermatology, allergy and irritancy testing
Conducted by independent New Jersey testing facility.
50 respondents (variety of ages, genders and ethnicities) applied the product topically during induction and challenge testing phases on 9 different occasions. The sites of application were reviewed in a laboratory setting. Fei’d showed no tendency to cause either reaction or irritation, and can therefore be deemed dermatologically, allergy and irritancy tested.