Is the Hyalu B5 serum suitable for sensitive, acne‑prone, or dry skin types?

The serum works well on normal to dry skin thanks to its hyaluronic acids and panthenol, but the presence of denatured alcohol and fragrance may provoke irritation or breakouts in very sensitive or acne‑prone individuals.

What benefits does sodium hyaluronate provide in this serum?

Sodium hyaluronate is a high‑molecular‑weight form of hyaluronic acid that attracts and retains water in the epidermis, helping to smooth fine lines, improve skin elasticity, and strengthen the moisture barrier without clogging pores.

How often should the serum be applied and are there any controversial ingredients to be aware of?

Apply the serum once daily after cleansing, preferably in the morning, and you may add a second application at night if extra hydration is needed; the formula includes denatured alcohol, phenoxyethanol, fragrance, and PEG‑6 caprylic/capric glycerides, which some consumers consider potential irritants.

La Roche-Posay • 3 ml

Hyalu B5 serum

Cosmetica

Product Insights

The Hyalu B5 Serum from La Roche‑Posay, a French dermatological brand, comes in a 3 ml tube and is marketed as a hydrating anti‑aging treatment. Its formula combines three forms of hyaluronic acid (sodium hyaluronate, hydrolyzed hyaluronic acid, and a hyaluronic complex) with vitamin B5 (panthenol) and glycerin, which together deliver moisture, plumping, and barrier‑supporting effects. However, the product also contains denatured alcohol, fragrance, phenoxyethanol and several synthetic polymers, which can be drying or irritating for very sensitive or acne‑prone skin, and the tube packaging is not currently recyclable.

Comparative Analysis

Positioned as a premium, dermatologist‑developed hydrating serum, it differentiates itself by layering multiple hyaluronic acid variants with vitamin B5 while competing against other luxury anti‑aging serums that typically avoid fragrance and alcohol.

Ingredients

609905 19 - INGREDIENTS : AQUA / WATER • GLYCERIN • ALCOHOL DENAT. • PROPYLENE GLYCOL • PANTHENOL PENTYLENE GLYCOL • DIMETHICONE PEG-6 CAPRYLIC/CAPRIC GLYCERIDES • PPG-6-DECYLTETRADECETH-30 • GLYCERYL ISOSTEARATE • MADECASSOSIDE • SODIUM HYALURONATE • AMMONIUM POLYACRYLOYLDIMETHYL TAURATE • DISODIUM EDTA • HYDROLYZED HYALURONIC ACID CAPRYLYL GLYCOL CITRICACID • XANTHAN GUM • BUTYLENE GLYCOL TOCOPHEROL• PHENOXYETHANOL • PARFUM / FRAGRANCE. (CODE F.I.L. : B212343/1)

84%

35%

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