Abstract Title:

Cosmetic benefits of astaxanthin on humans subjects.

Abstract Source:

Acta Biochim Pol. 2012 Mar 17. Epub 2012 Mar 17. PMID: 22428137

Abstract Author(s):

Kumi Tominaga, Nobuko Hongo, Mariko Karato, Eiji Yamashita

Article Affiliation:

Fuji Chemical Industry Co. Ltd., Kamiichi, Toyama, Japan.

Abstract:

Two human clinical studies were performed. One was an open-label non-controlled study involving 30 healthy female subjects for 8 weeks. Significant improvements were observed by combining 6 mg per day oral supplementation and 2 ml (78.9μM solution) per day topical application of astaxanthin. Astaxanthin derived from the microalgae, Haematococcus pluvialis showed improvement in skin wrinkle reduction (crow's feet at week 8), age spot size (cheek at week-8), and improved elasticity (crow's feet at week-8), skin texture (cheek at week-4), moisture content of corneocyte layer (cheek in 10 dry skin subjects at week-8) and corneocyte condition (cheek at week-8). It may suggest that astaxanthin derived from H. pluvialis can improve skin condition in all layers such as corneocyte layer, epidermis, basal layer and dermis by combining oral supplementation and topical treatment. Another was a randomized double-blind placebo controlled study involving 36 healthy male subjects for 6 weeks. Crow's feet wrinkle and elasticity; and transepidermal water loss (TEWL) improved after 6 mg of astaxanthin (the same as former study) daily supplementation. Moisture content and sebum oil level at the cheek zone showed strong tendencies for improvement. These results suggest that astaxanthin derived from Haematococcus pluvialis may improve the skin condition in not only in women but also in men.

Study Type : Human Study
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