Kiehl’s Ultra Facial Cleanser

This foaming gel cleanser combines gentle cleansing agents with nourishing plant oils and squalane to thoroughly purify the skin while maintaining natural moisture balance.

Performance Rating: 7.8

The formula delivers strong and dependable cleansing efficacy through a synergistic blend of surfactants, led by Sodium Laureth Sulfate, Decyl Glucoside, and Cocamidopropyl Betaine. This combination generates a rich, stable lather that efficiently dissolves daily debris, makeup residues, and excess sebum without excessive friction. To counterbalance cleansing strength, Glycerin provides vital humectant hydration, while Squalane, Sweet Almond Oil, Apricot Kernel Oil, and Avocado Oil replenish surface lipids and maintain soft skin texture. The addition of Tocopherol and Ascorbyl Glucoside supplies mild conditioning benefits, ensuring an effective yet non-drying cleansing experience suitable for daily use.

Safety Rating: 8.2

The safety profile is thoroughly solid, prioritizing skin barrier integrity and gentle formulation standards. The formula tempers primary cleansing agents with mild co-surfactants such as Disodium Cocoamphodiacetate and Lauryl Glucoside, which significantly reduce overall irritation potential. Preservative systems relying on Phenoxyethanol and Sodium Benzoate provide safe, well-tolerated microbial protection without resorting to harsh formaldehyde-releasers or parabens. While the presence of Sodium Laureth Sulfate and Triethanolamine warrants brief caution for exceptionally reactive or compromised complexions, the soothing botanical oils and absence of added fragrance ensure a high level of skin tolerance for the vast majority of consumers.

Final Rating: 8.0

Overall, the cleanser strikes a harmonious balance between purifying performance and barrier preservation. Its ability to produce a satisfying, thorough wash while cushioning the epidermis with nourishing emollient oils and humectants makes it a versatile staple across various skin types. The exclusion of synthetic fragrance reduces common allergy risks, reinforcing its functional, dermatologically sensible appeal. By uniting robust foaming power with hydrating comfort, the formulation achieves a well-rounded equilibrium, distinguishing itself as a dependable, multi-benefit daily cleanser that cleans thoroughly without compromising long-term skin health or comfort.

Verdict

This facial wash is formulated around a blend of mild surfactants and foaming agents, combining decyl glucoside, cocamidopropyl betaine, and sodium laureth sulfate. Although sodium laureth sulfate provides a rich and satisfying lather, it is buffered here by multiple conditioning co-surfactants and humectants such as glycerin. This well-calibrated formulation ensures that the cleanser efficiently lifts away excess sebum, daily grime, and light makeup while preserving skin comfort. The resulting lather delivers a clean, purifying wash that rinses off completely without leaving behind any heavy or greasy residue.

What sets this cleanser apart is the inclusion of replenishing botanical oils and emollients, notably squalane, sweet almond oil, apricot kernel oil, and avocado oil. These lipid-rich ingredients help support the skin barrier, counteracting the tightness that can sometimes accompany foaming formulas. In addition, tocopherol (vitamin E) and ascorbyl glucoside (vitamin C) offer gentle antioxidant support during cleansing. While rinse-off products provide brief contact time, these conditioning additions noticeably soften the skin surface and help prevent moisture loss during daily face washing.

In terms of texture and sensory performance, the product features a smooth, creamy gel consistency supported by acrylates copolymer and PEG-200 hydrogenated glyceryl palmate. It effortlessly transforms into a dense, cushiony foam that glides across the face, reducing friction against the skin. The formula is stabilized with pentylene glycol and mild preservatives without depending on overpowering artificial fragrances. This makes the cleansing routine both gentle and reliable, leaving the complexion feeling refreshed, balanced, and primed for the next steps in your skincare regimen.

Overall, this formula represents a versatile and balanced daily cleanser best suited for normal, combination, and moderately oily skin types. It successfully balances thorough cleansing capability with barrier-conditioning lipids, making it a dependable staple for both morning and evening routines. However, those with exceptionally dry, reactive, or compromised skin might prefer an entirely sulfate-free milk or balm cleanser. For most users looking for a clean, non-stripping foaming wash, this thoughtfully engineered product delivers a satisfying and effective cleanse.

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Ingredient Evaluation

📁 Surfactants / 表面活性剂

🧪 Sodium Laureth Sulfate / 月桂醇聚醚硫酸酯钠

Purpose: Primary cleansing agent that produces rich foam and removes oil and impurities.

Concerns: May cause dryness or irritation to sensitive skin with prolonged contact.

Notes: Milder than Sodium Lauryl Sulfate (SLS) due to ethoxylation.

🧪 Decyl Glucoside / 癸基葡糖苷

Purpose: Mild non-ionic surfactant used for gentle cleansing and foam boosting.

Notes: Derived from plant sugars and fatty alcohols, suitable for sensitive skin.

🧪 Cocamidopropyl Betaine / 椰油酰胺丙基甜菜碱

Purpose: Amphoteric surfactant that enhances foam, conditions, and reduces the irritation of primary surfactants.

Concerns: Can occasionally cause contact allergies due to synthesis impurities like 3-dimethylaminopropylamine.

Notes: Commonly paired with sulfates to improve mildness.

🧪 Disodium Cocoamphodiacetate / 椰油酰两性基二乙酸二钠

Purpose: Ultra-mild amphoteric surfactant that helps cleanse while mitigating harshness.

Notes: Frequently used in baby cleansers and sensitive-skin formulations.

🧪 Lauryl Glucoside / 月桂基葡糖苷

Purpose: Gentle non-ionic surfactant providing cleansing power and lather stability.

Notes: Biodegradable, plant-derived alkyl polyglucoside.

🧪 Laureth-2 / 月桂醇聚醚-2

Purpose: Surfactant, emulsifier, and viscosity-controlling agent.

Notes: Helps thicken surfactant systems and enhance lather texture.

📁 Humectants / 保湿剂

🧪 Aqua/Water / 水

Purpose: Primary solvent that dissolves ingredients and forms the base of the formula.

Notes: Typically deionized or purified in cosmetic manufacturing.

🧪 Glycerin / 甘油

Purpose: Hydrating humectant that draws water into the outer layers of the skin to prevent dryness after cleansing.

Notes: One of the most effective and widely used humectants in skincare.

🧪 Pentylene Glycol / 戊二醇

Purpose: Humectant and solvent that also provides antimicrobial boosting properties.

Notes: Helps improve product texture and moisturization feel.

🧪 Hexylene Glycol / 己二醇

Purpose: Humectant, solvent, and viscosity-reducing agent.

Notes: Assists with slip, penetration, and mild preservation synergy.

📁 Emollients / 润肤剂

🧪 Squalane / 角鲨烷

Purpose: Lightweight, biomimetic emollient that restores lipid balance and softens skin.

Notes: Highly stable hydrogenated form of squalene, non-comedogenic.

🧪 Prunus Amygdalus Dulcis Oil / 甜扁桃油

Purpose: Nourishing plant oil rich in fatty acids and vitamin E that conditions the skin barrier.

Concerns: Potential allergen for individuals with nut allergies.

Notes: Also commonly known as Sweet Almond Oil.

🧪 Prunus Armeniaca Kernel Oil / 杏仁油

Purpose: Emollient plant oil that softens skin and replenishes moisture lost during cleansing.

Notes: Rich in oleic and linoleic essential fatty acids.

🧪 Persea Gratissima Oil / 鳄梨油

Purpose: Rich emollient oil providing deep nourishment, sterols, and antioxidants.

Notes: Also known as Avocado Oil; well-suited for dry or lipid-depleted skin.

🧪 Behenyl Alcohol / 山嵛醇

Purpose: Fatty alcohol acting as an emollient, thickener, and emulsion stabilizer.

Notes: Non-drying fatty alcohol that provides a creamy texture.

🧪 Distearyl Ether / 二硬脂基醚

Purpose: Lipid-based conditioning agent and opacifying emollient.

Notes: Imparts a soft, velvet feel and helps stabilize formulation body.

📁 Thickeners / 增稠剂与质感调节剂

🧪 Acrylates Copolymer / 丙烯酸(酯)类共聚物

Purpose: Rheology modifier that thickens, stabilizes formulas, and suspends insoluble droplets.

Notes: Commonly used in clear or surfactant-rich cleansing gels.

🧪 PEG-200 Hydrogenated Glyceryl Palmate / PEG-200 氢化甘油掌油酸酯

Purpose: Non-ionic thickener and co-surfactant used to build viscosity in cleansing formulas.

Notes: Often blended with PEG-7 Glyceryl Cocoate for effective thickening without tackiness.

🧪 PEG-7 Glyceryl Cocoate / PEG-7 椰油酸甘油酯

Purpose: Hydrophilic emollient, refatting agent, and solubilizer.

Notes: Replenishes skin lipids removed by wash-off surfactants.

🧪 Sodium Chloride / 氯化钠

Purpose: Viscosity builder that thickens anionic surfactant systems.

Notes: Adjusts ionic strength to increase micellar size in sulfate-based cleansers.

📁 pH Adjusters / pH调节剂

🧪 Citric Acid / 柠檬酸

Purpose: Acidifying agent used to lower pH to a skin-friendly level.

Notes: Also acts as a weak chelating agent.

🧪 Sodium Hydroxide / 氢氧化钠

Purpose: Alkaline neutralizing agent used to adjust formula pH and neutralize polymer thickeners.

Notes: Reacts fully in formulation and is present only as neutralized salts.

🧪 Triethanolamine / 三乙醇胺

Purpose: Buffering and neutralizing agent used to balance formulation pH and activate thickeners.

Concerns: Potential nitrosamine formation if formulated with nitrosating agents.

Notes: Strictly regulated in cosmetic concentrations to ensure safety.

📁 Preservatives / 防腐剂

🧪 Phenoxyethanol / 苯氧乙醇

Purpose: Broad-spectrum antibacterial preservative that prevents microbial contamination.

Notes: Standard concentration is capped at 1% in cosmetics.

🧪 Sodium Benzoate / 苯甲酸钠

Purpose: Antifungal preservative protecting the aqueous system against yeasts and molds.

Notes: Most effective at slightly acidic pH levels (below 5.0).

📁 Active Ingredients / 功效成分

🧪 Tocopherol / 生育酚

Purpose: Lipid-soluble antioxidant (Vitamin E) that protects oils from rancidity and defends against free radicals.

Notes: Naturally occurring vitamin antioxidant essential for lipid phase stability.

🧪 Ascorbyl Glucoside / 抗坏血酸葡糖苷

Purpose: Stable Vitamin C derivative providing antioxidant protection and skin brightening support.

Notes: Gradually converted into active L-ascorbic acid upon skin contact.