肌理改善
The Ordinary
烟酰胺10% + 锌1%
高浓度烟酰胺同时护理毛孔、肌理和皮脂
Category
精华液
Price
¥800〜¥1,200
Rating
4.5/5
全肌質対応
Key Ingredients
ナイアシンアミド(ビタミンB3) (10%)
促進神经酰胺合成强化屏障。正常化皮脂分泌、收缩毛孔、抑制黑色素转运改善暗沉。
亜鉛 PCA (1%)
调节皮脂分泌的礦物質,兼具抗菌作用预防痤疮。
How It Works
烟酰胺作为NAD+/NADH前体促進角質形成细胞分化和屏障功能。上调神经酰胺合成酶表达。直接作用于皮脂腺抑制皮脂分泌。抑制黑色素体向角質形成细胞转运。锌PCA抑制5α还原酶活性。
How to Use
潔面和化妆水后,取2-3滴于掌心轻拍全脸。可早晚使用。可与维C(L-抗坏血酸)搭配使用(之前的"不可搭配"说法已被否定)。
Expected Results
2-4周肌理改善、毛孔不明显。4-8周暗沉减轻、肤色均匀。皮脂平衡、出油减少。12周以上可改善色素沉着。
Scientific Evidence
Bissett DL, Oblong JE, Berge CA (2005)
Niacinamide: a B vitamin that improves aging facial skin appearance. Dermatol Surg
5%ナイアシンアミドの12週間塗布で、シワ・色素沈着・赤み・くすみ・弾力が有意に改善することを二重盲検RCTで実証。
Draelos ZD, Matsubara A, Smiles K (2006)
The effect of 2% niacinamide on facial sebum production. J Cosmet Laser Ther
2%ナイアシンアミドでも日本人女性の皮脂産生が有意に減少(4週間で26%減)。10%ではさらに顕著な効果。
Hakozaki T, Minwalla L, Zhuang J, et al. (2002)
The effect of niacinamide on reducing cutaneous pigmentation and suppression of melanosome transfer. Br J Dermatol
ナイアシンアミドがメラノソームの輸送を35-68%阻害し、色素沈着を有意に減少させることを実証。
Precautions
10%高浓度初次使用可能轻微刺痛(通常1-2周后适应)。若持续红肿则降低频率或从5%开始。开封后12个月内用完。
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■ Disclaimer
Information on this page is based on scientific literature and does not guarantee product results. Effects vary by individual. Discontinue use and consult a dermatologist if skin issues occur.