抗皱
The Ordinary
0.5%视黄醇角鲨烷精华
抗皱黄金成分视黄醇稳定配方
Category
精华液
Price
¥1,000〜¥1,800
Rating
4.4/5
全肌質対応(初心者は低濃度から)
Key Ingredients
レチノール(ビタミンA) (0.5%)
维A酸前体。促進表皮更新、刺激真皮胶原合成。FDA认证抗皱成分。
スクワラン
高稳定性植物油防止视黄醇氧化,柔软肌肤。润肤效果预防乾燥。
How It Works
视黄醇在皮肤内代谢为视黄醛→全反式维A酸。维A酸与RAR結合激活:①促進角質形成细胞增殖分化,正常化更新周期 ②刺激真皮成纤维细胞TGF-β/Smad信号,上调I/III型胶原基因表达 ③抑制MMP,防止胶原降解。0.5%在OTC产品中效果与耐受性平衡良好。
How to Use
仅晚间使用(增加光敏感性)。潔面化妆水后薄涂2-3滴全脸。初期每周2次,2-4周逐渐增至每晚。翌晨务必使用SPF50+防晒。
Expected Results
4-6周肌理改善、粗糙感减少。8-12周细纹深度减少。持续6个月深層皱纹改善、弹性增加、整体年轻化。
Scientific Evidence
Mukherjee S, Date A, Patravale V, et al. (2006)
Retinoids in the treatment of skin aging: an overview of clinical efficacy and safety. Clin Interv Aging
レチノイドの抗老化効果を包括的にレビュー。0.4-1%レチノールの長期使用でシワ・色素沈着・肌質が有意に改善。
Kafi R, Kwak HSR, Schumacher WE, et al. (2007)
Improvement of naturally aged skin with vitamin A (retinol). Arch Dermatol
0.4%レチノールの24週間塗布で、自然老化による細かいシワが有意に改善することをRCTで実証。真皮GAG(グリコサミノグリカン)の増加も確認。
Varani J, Warner RL, Gharaee-Kermani M, et al. (2000)
Vitamin A antagonizes decreased cell growth and elevated collagen-degrading matrix metalloproteinases and stimulates collagen accumulation in naturally aged human skin. J Invest Dermatol
レチノールが老化皮膚のMMP産生を有意に抑制し、プロコラーゲンI合成を80%増加させることを実証。
Precautions
开始使用1-4周可能出现"维A反应"(发红、乾燥、脫皮),通常4-8周后适应。孕期/哺乳期禁用。与AHA/BHA分开使用。
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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.