玫瑰果油可美白,原理是它的脂肪酸組合:

約43%亞麻油酸(Linoleic Acid)
約30%Alpha次亞麻油酸(Alpha-Linolenic Acid)
約10%油酸(Oleic Acid)

動物實驗顥示,這套脂肪酸組合最能抑制黑色素產生。

(Ando, Hideya, et al. “Linoleic acid and α-linolenic acid lightens ultraviolet-induced hyperpigmentation of the skin.” Archives of dermatological research 290.7 (1998): 375-381.)

美白產品應早上使用,原因是黑色素由黑色素細胞分泌,黑色素細胞受到紫外光UVA刺激後,最快4小時後就會開始分泌黑色素。

因此早上用美白產品,抑制住黑色素分泌,就最有效預防曬黑或曬斑形成。

用法是早上洗面後,把幾滴玫瑰果油滴在化妝棉,之後全面抺。

iherb玫瑰果油產品眾多,選購指引是用家否容易敏感,容易敏感要買有機認証的產品,安全性較高,例如以下幾款:

Acure, The Essentials, Rosehip Oil, 1 fl oz (30 ml)
https://iherb.co/KnmDL3ke


Life-flo, Pure Rosehip Seed Oil, Skin Care, 1 oz (30 ml)
https://iherb.co/zSUgknbX


Now Foods, Solutions, Certified Organic Rose Hip Seed Oil, 1 fl oz (30 ml)
https://iherb.co/31sToDvY


Aura Cacia, Organic Skin Care Oil, Restoring, Rosehip, 1 fl oz (30 ml)
https://iherb.co/acVtWB7T


如果不易敏感,那選擇彈性可以再大些,以下的產品亦可考慮

Now Foods, Solutions, Rose Hip Seed Oil, 1 fl oz (30 ml)
https://iherb.co/rtjYPabM


Leven Rose, 100% Pure & Organic, Rosehip Oil, 1 fl oz (30 ml)
https://iherb.co/zHmUQxS7


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