La Roche-Posay Toleriane Dermallergo Night Moisturizer

This fragrance-free overnight moisturizer is formulated with soothing peptides, microbiome-supporting ferments, and nourishing emollients to deeply hydrate, calm, and repair ultra-sensitive, allergy-prone skin while you sleep.

Performance Rating: 9.2

This moisturizer boasts an outstanding performance profile powered by a combination of high-performing humectants and emollients. The presence of Glycerin, Butylene Glycol, and Propanediol provides deep, multi-level hydration, while Squalane and Shea Butter deliver excellent emollient properties to lock in moisture and reinforce the lipid barrier. Niacinamide and Pyridoxine HCl work to refine skin texture, brighten the complexion, and regulate sebum. Notably, the inclusion of Acetyl Dipeptide-1 Cetyl Ester (a soothing peptide), Allantoin, and Salvia Miltiorrhiza Root Extract makes this formula exceptionally effective at reducing redness and calming skin reactivity, while Sphingomonas Ferment Extract supports a healthy skin microbiome.

Safety Rating: 9.7

With a near-perfect safety score, this formulation is exceptionally gentle and tailored for sensitive or reactive skin types. It is free from notorious irritants, including drying alcohols, synthetic fragrances, and essential oils. High-safety emollients like Squalane and soothing agents like Allantoin are highly biocompatible and carry very low risks of sensitization. Modern, mild preservative and stabilizing systems like Hydroxyacetophenone, Caprylyl Glycol, and Trisodium Ethylenediamine Disuccinate are used instead of harsh parabens, ensuring the product remains clean and non-irritating for almost all users.

Final Rating: 9.4

Earning a remarkable overall score, this moisturizer is a premier choice for daily skin health and barrier repair. It successfully balances intense, long-lasting hydration with advanced soothing actives like peptides and fermented extracts, making it ideal for compromised or hypersensitive skin barriers. By pairing high-efficacy ingredients with an impeccable safety profile that minimizes potential allergens, this formulation delivers dermatologist-grade results, earning its highly rated position as a top-tier skincare solution.

Verdict

Formulated specifically for ultra-sensitive, reactive, and allergy-prone skin, this overnight moisturizer is a masterclass in restorative, barrier-repairing skincare. At its core, the formula relies on a blend of highly effective, skin-identical emollients and cutting-edge soothing agents to rebuild a compromised skin barrier during the skin’s nocturnal regeneration phase. The inclusion of squalane and sustainably sourced shea butter provides deep, comforting hydration. These ingredients closely mimic the skin’s natural lipid structure, locking in essential moisture and softening dry patches without feeling excessively heavy on the skin.

What truly sets this night cream apart is its focus on neural sensitivity and microbiome health. The star bio-active ingredient, Acetyl Dipeptide-1 Cetyl Ester (Neurosensine), is a neuro-calming peptide that actively targets skin reactivity, dramatically reducing sensations of tightness, burning, and itching. This is further complemented by Salvia Miltiorrhiza Root Extract (red sage root), which works as a powerful anti-inflammatory agent to calm visible redness and heat. To bolster the skin’s innate defense systems, the formula is infused with Sphingomonas Ferment Extract, which supports microbiome balance and reinforces the protective barrier against daily environmental aggressors.

Additionally, the moisturizer incorporates niacinamide (Vitamin B3) to improve overall texture, soothe irritation, and promote lipid synthesis within the skin. The formula also cleverly utilizes Pyridoxine HCl (Vitamin B6) and Zea Mays Starch (corn starch) to balance sebum production and prevent the greasy, smothering finish often associated with rich night creams. Together, they ensure the cream leaves a smooth, comfortable, and velvety finish.

With an absolute absence of common irritants like fragrance, essential oils, drying alcohols, and parabens, it is exceptionally safe for even the most reactive skin types. It relies on a minimalist approach to minimize the risk of allergic contact dermatitis, using clean stabilizers like allantoin to soothe and hydroxyacetophenone as a mild preservative booster. Ultimately, this is an outstanding, dermatologist-tested night cream that delivers intensive, therapeutic hydration while actively training the skin to be less reactive over time.

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Ingredient Evaluation

📁 Solvents / 溶剂

🧪 AQUA / WATER / EAU / 水

Purpose: Acts as a solvent and liquid carrier for all other ingredients.

Concerns: None.

Notes: Highly purified water, crucial for sensitive skin formulations.

📁 Humectants & Hydrators / 保湿与锁水剂

🧪 GLYCERIN / 甘油

Purpose: Strongly attracts and retains water in the skin, acting as a powerful skin-identical hydrator.

Concerns: None. Highly safe.

Notes: Golden standard humectant suitable for all skin types.

🧪 BUTYLENE GLYCOL / 丁二醇

Purpose: Attracts water, enhances ingredient penetration, and improves product texture.

Concerns: Low risk of skin irritation.

Notes: Provides a light and smooth feeling.

🧪 PROPANEDIOL / 1,3-丙二醇

Purpose: Provides moisturizing benefits, enhances absorption, and boosts preservative efficacy.

Concerns: None. Highly tolerable.

Notes: Often derived naturally from corn.

🧪 PENTYLENE GLYCOL / 戊二醇

Purpose: Moisturizes the skin while functioning as a synergistic preservative booster.

Concerns: Extremely low risk of irritation.

Notes: Gives a smooth, elegant skin feel.

🧪 CAPRYLYL GLYCOL / 辛甘醇

Purpose: Hydrates the skin and acts as a helper preservative.

Concerns: Well-tolerated with virtually no safety concerns.

Notes: Excellent conditioning agent for skin softening.

📁 Emollients & Skin Conditioners / 润肤与皮肤调理剂

🧪 BUTYROSPERMUM PARKII BUTTER / SHEA BUTTER / 牛油果树果脂

Purpose: Nourishing butter that mimics skin lipids to deeply lock in moisture and protect the skin barrier.

Concerns: Might feel heavy for acne-prone skin, but rarely causes irritation.

Notes: Ideal for treating dry and flakey skin.

🧪 SQUALANE / 角鲨烷

Purpose: Mimics skin’s natural sebum to nourish, protect, and soften the skin.

Concerns: Highly non-comedogenic and extremely safe.

Notes: Excellent for highly sensitive skin as it is inert.

📁 Active Ingredients & Skin Soothing / 活性与舒缓成分

🧪 NIACINAMIDE / 烟酰胺

Purpose: Strengthens the skin barrier, reduces redness, regulates oil, and brightens skin tone.

Concerns: Rare tingling or redness for extremely sensitive skin if used in high concentrations.

Notes: A versatile powerhouse ingredient.

🧪 PYRIDOXINE HCl / 吡哆素 HCl

Purpose: Vitamin B6 derivative that helps control excess sebum and soothe inflammation.

Concerns: None.

Notes: Helps balance oily areas in combination skin.

🧪 SALVIA MILTIORRHIZA ROOT EXTRACT / 丹参根提取物

Purpose: Calms redness, provides antioxidant protection, and reduces skin reactivity.

Concerns: Minor risk of herbal allergenicity, but generally very soothing.

Notes: Derived from a traditional medicinal herb.

🧪 ALLANTOIN / 尿囊素

Purpose: Promotes skin healing, cell proliferation, and intensely calms irritated skin.

Concerns: None. Highly soothing and safe.

Notes: Widely recommended for compromised or eczematous skin.

🧪 SPHINGOMONAS FERMENT EXTRACT / 鞘氨醇单胞菌发酵产物提取物

Purpose: Supports the skin microbiome, enhances the protective barrier, and calms sensitivity.

Concerns: None.

Notes: Prebiotic extract that reduces allergy-prone tendencies.

🧪 ACETYL DIPEPTIDE-1 CETYL ESTER / 乙酰基二肽-1 鲸蜡酯

Purpose: Peptidic active that signals nerves to reduce discomfort, stinging, and burning sensations.

Concerns: None. Developed specifically for ultra-sensitive skin.

Notes: Often referred to as Neurosensine.

🧪 TOCOPHEROL / 生育酚

Purpose: Protects the skin and product lipids from environmental oxidative damage.

Concerns: Extremely low risk of allergy.

Notes: Essential oil-soluble antioxidant.

📁 Texture Enhancers & Stabilizers / 质感提升与稳定剂

🧪 AMMONIUM POLYACRYLOYLDIMETHYL / 聚丙烯酰基二甲基牛磺酸铵

Purpose: Creates a refreshing, lightweight cream-gel texture and stabilizes the emulsion.

Concerns: None.

Notes: Typically refers to Ammonium Polyacryloyldimethyl Taurate in commercial formulations.

🧪 POLYSORBATE 20 / 聚山梨醇酯-20

Purpose: Helps blend oil and water components uniformly.

Concerns: Highly safe at typical cosmetic percentages.

Notes: A mild non-ionic surfactant.

🧪 ZEA MAYS STARCH / CORN STARCH / 玉米淀粉

Purpose: Absorbs excess oil and moisture to provide a velvet, matte, and comfortable finish.

Concerns: None.

Notes: Offsets the greasiness of heavy oils.

🧪 GLYCERYL ACRYLATE/ACRYLIC ACID COPOLYMER / 甘油丙烯酸酯/丙烯酸共聚物

Purpose: Forms a breathable, hydrating gel layer on the skin.

Concerns: None.

Notes: Gives a refreshing glide upon application.

🧪 XANTHAN GUM / 黄原胶

Purpose: Stabilizes and thickens the formulation to ensure even distribution of ingredients.

Concerns: None.

Notes: A safe, natural polysaccharide.

📁 Preservatives, Chelators & pH Adjusters / 防腐剂、螯合剂与酸碱调节剂

🧪 SODIUM HYDROXIDE / 氢氧化钠

Purpose: Modulates the product’s pH to match the skin’s physiological range.

Concerns: Irritating in raw form, but completely safe and neutralized in the final product.

Notes: Standard pH adjuster.

🧪 HYDROXYACETOPHENONE / 羟基苯乙酮

Purpose: Acts as a powerful antioxidant and preservative helper.

Concerns: Very safe, minimizes the need for harsh traditional preservatives.

Notes: Ideal for allergy-prone skin formulas.

🧪 CITRIC ACID / 柠檬酸

Purpose: Balances pH and ensures product stability.

Concerns: Well-tolerated in buffering amounts.

Notes: Mild organic acid.

🧪 TRISODIUM ETHYLENEDIAMINE DISUCCINATE / 三钠乙二胺二琥珀酸盐

Purpose: Eco-friendly chelating agent that binds metal ions to prevent spoilage.

Concerns: None.

Notes: Highly biodegradable.