10 Best La Roche Posay Serums Of 2026
La Roche Posay Serums — Reviews, Recommendations & Updated Buying Guide September 2026
MINI MELA B3 Serum 10ml INTER
おすすめの理由
La Roche-Posay Anti-Ageing Serum
おすすめの理由
La roche-posay(ラロッシュポゼ) メラ B3 セラム
おすすめの理由
La Roche-Posay Redermic Retinol
おすすめの理由
La Roche-Posay 12% Vitamin C Face
おすすめの理由
La Roche Posay Glycolic Acid Face
おすすめの理由
La Roche-Posay Hyaluronic Acid
おすすめの理由
La roche-posay(ラロッシュポゼ) メラ B3 ダブル
おすすめの理由
La Roche-Posay Pure Vitamin C10
おすすめの理由
La Roche-Posay Mela B3 Niacinamide
おすすめの理由
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10 Best La Roche Posay Serums Of 2026
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MINI MELA B3 Serum 10ml INTER
La Roche-Posay Anti-Ageing Serum, Anti-wrinkle Concentrate, Repairing Replumping, With Hyaluronic Acid, Hyalu B5, 30ml
La roche-posay(ラロッシュポゼ) メラ B3 セラム ブライトニング 美容液 シミ くすみ 毛穴 ナイアシンアミド レチノール 30mL
La Roche-Posay Redermic Retinol Serum, Anti-Wrinkle Concentrate, Targets Fine Lines, Retinol B3 Serum, 30ml
La Roche-Posay 12% Vitamin C Face Serum, 2 formulas with hyaluronic acid
La Roche Posay Glycolic Acid Face Serum with Niacinamide & Salicylic Acid. Effaclar Ultra Concentrated Exfoliating Serum, Acne-Prone & Mature Skin, Recommended by Dermatologists, 30mL
La Roche-Posay Hyaluronic Acid Face Serum, Hyalu B5 Hyaluronic Acid Serum for Face, with Vitamin B5 & Anti-Aging BUNDLES with Mela B3 Serum or Ultra Fluid SPF 50+. Suitable for Sensitive Skin
La roche-posay(ラロッシュポゼ) メラ B3 ダブル コンセントレート セラム ブライトニング 美容液 シミ くすみ 高濃度 40mL
La Roche-Posay Pure Vitamin C10 Serum 30ml + FREE Anthelios UVMune Invisible Mini 15ml
La Roche-Posay Mela B3 Niacinamide Face Serum set
購入ガイド: La Roche Posay Serums
📋 目次
1What's the difference between La Roche-Posay's Hyaluronic Acid serum and their Niacinamide serum?
The Hyaluronic Acid serum focuses on hydration and plumping fine lines, making it ideal for dry or dehydrated skin. The Niacinamide serum targets pore refinement, oil control, and redness, working better for oily or sensitive skin prone to breakouts.
2How do I know which La Roche-Posay serum is right for my skin type?
Check the product description for your concern—hydration serums suit dry skin, niacinamide works for oily skin, and vitamin C serums target dullness and uneven tone. If you have sensitive skin, look for their hypoallergenic formulations with thermal water as a base.
3Is a 30ml bottle of La Roche-Posay serum worth the cost?
Yes, because serums are concentrated formulas—you need only a few drops per application, so a 30ml bottle lasts 2-3 months with daily use. The smaller size also means less risk of the product oxidizing or losing potency over time.
4Can I use La Roche-Posay serums if I have very sensitive or reactive skin?
Most La Roche-Posay serums are formulated with their thermal spring water and minimal irritants, making them generally safe for sensitive skin. That said, start with patch testing, and avoid vitamin C or retinol serums if your skin is actively inflamed or compromised.
5What should I check before buying a La Roche-Posay serum online?
Verify the expiration date and batch code to ensure freshness, check if it's from an authorized retailer to avoid counterfeits, and read reviews for your specific skin concern. Make sure the product comes in the original sealed packaging and hasn't been exposed to extreme temperatures during shipping.
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