A classic keratin-infused smoothing shampoo that utilizes strong cleansers and heavy silicones to tame frizz and deliver a sleek, shiny, blowout-ready finish.
This shampoo scores a solid rating for performance because it utilizes a highly functional surfactant system led by Sodium Laureth Sulfate and Cocamidopropyl Betaine, ensuring excellent lather and thorough cleansing. The formulation is bolstered by conditioning agents such as Dimethiconol for smoothing and shine, Guar Hydroxypropyltrimonium Chloride for static and detangling control, and Hydrolyzed Keratin to help temporarily restore hair strength. The addition of Glycerin ensures the hair retains essential moisture during cleansing.
The lower safety rating is primarily due to the inclusion of Methylchloroisothiazolinone and Methylisothiazolinone (isothiazolinone preservatives), which are well-documented contact allergens and sensitizers capable of triggering scalp irritation and dermatitis. Additionally, the presence of synthetic Fragrance (Parfum) raises potential sensitization concerns, and the primary surfactant Sodium Laureth Sulfate can be stripping and irritating to those with compromised skin barriers.
With a final rating of 5.9/10, this shampoo is a classic, highly effective commercial formula that sacrifices mildness for high cosmetic performance. It cleanses deeply and conditions well using ingredients like Dimethiconol and Hydrolyzed Keratin. However, its heavy reliance on strong surfactants and sensitizing preservatives like Methylisothiazolinone makes it a poor choice for individuals with sensitive scalps or dry hair types.
This formulation represents a classic, mass-market conditioning and smoothing shampoo, commonly identified in popular drugstore haircare ranges like TRESemmé Keratin Smooth. It is specifically engineered to strike a precise balance between high-efficiency cleansing and intense surface smoothing, making it an excellent choice for individuals trying to tame stubborn frizz, control flyaways, and achieve a sleek, highly polished blowout look. At its core, the cleansing action relies primarily on Sodium Laureth Sulfate (SLES), a powerful anionic surfactant that creates a rich, luxurious lather. SLES is highly effective at cutting through excess sebum, environmental dirt, and stubborn styling product buildup. However, because sulfates can be somewhat stripping when used alone, the formula strategically incorporates Cocamidopropyl Betaine, a much milder amphoteric co-surfactant that reduces potential scalp irritation and cushions the cleansing experience. Additionally, humectants such as Glycerin are included to help draw and bind moisture to the hair fibers during the wash cycle. The primary smoothing, detangling, and shine-enhancing benefits are driven by Dimethiconol, a heavy-duty silicone. Dimethiconol wraps around each individual hair strand, sealing down raised cuticles, locking in moisture, and creating a protective barrier that blocks out external atmospheric humidity—the main culprit behind midday frizz. This smoothing action is reinforced by Guar Hydroxypropyltrimonium Chloride, a cationic conditioning polymer that neutralizes static charge, and Hydrolyzed Keratin. This protein temporarily patches up microscopic gaps and structural weaknesses in the hair’s cuticle, adding structural integrity and making damaged strands feel noticeably stronger and smoother. Aesthetic enhancers like Glycol Distearate, Mica, and Titanium Dioxide are also included to give the shampoo itself a luxurious, shimmering pearlescent appearance. However, because this shampoo utilizes heavy silicones to achieve its smoothing effect, it requires the strong cleansing action of sulfates to prevent those same silicones from building up and making the hair look dull and heavy over time. Consequently, this formula is not ideal for those with very fine or thin hair, as the heavy conditioning agents can easily weigh down the hair, leaving it looking limp, flat, and greasy. Similarly, individuals with naturally dry, fragile, curly, or coily hair types should proceed with caution, as the sulfate content may strip away the scalp’s natural oils and worsen dryness. Lastly, the preservation system relies on Methylchloroisothiazolinone and Methylisothiazolinone. While these are highly effective at preventing bacterial growth, they are well-known contact allergens and may trigger irritation, itching, or redness for anyone with a sensitive scalp, eczema, or contact dermatitis. In summary, this is a highly capable and budget-friendly option for those with normal, thick, or frizzy hair seeking a smooth, sleek finish, but it is less suited for fine hair, natural curls, or highly sensitive scalps.
🧪 WATER (AQUA) / 水
Purpose: Solvent, primary carrier of other ingredients.
Concerns: None.
Notes: Essential base for most liquid hair care products.
🧪 SODIUM LAURETH SULFATE / 月桂醇聚醚硫酸酯钠
Purpose: Anionic surfactant used for cleansing and foaming.
Concerns: Can be drying or irritating to sensitive skin and eyes.
Notes: A highly effective and very common cleanser, milder than Sodium Lauryl Sulfate (SLS).
🧪 COCAMIDOPROPYL BETAINE / 椰油酰胺丙基甜菜碱
Purpose: Amphoteric surfactant, mild cleanser and foam booster.
Concerns: Low risk of contact allergy from impurities.
Notes: Often combined with anionic surfactants to reduce irritation and enhance lather.
🧪 TEA-DODECYLBENZENESULFONATE / 十二烷基苯磺酸三乙醇胺
Purpose: Cleansing agent and emulsifier.
Concerns: May cause scalp irritation or dryness if used in high concentrations.
Notes: Anionic surfactant commonly used to stabilize formulas and help wash away oil.
🧪 GLYCERIN / 甘油
Purpose: Humectant, moisturizing agent.
Concerns: None.
Notes: Draws moisture into the hair and scalp, maintaining hydration.
🧪 DIMETHICONOL / 二甲基硅醇
Purpose: Silicone-based conditioning agent.
Concerns: Can cause buildup on the hair over time if not thoroughly washed.
Notes: Creates a protective barrier, reducing frizz, smoothing the cuticle, and adding shine.
🧪 GUAR HYDROXYPROPYLTRIMONIUM CHLORIDE / 瓜儿胶羟丙基三甲基氯化铵
Purpose: Cationic conditioning polymer, antistatic agent.
Concerns: Low concern.
Notes: Binds to hair strands to prevent static, aid detangling, and improve wet combing.
🧪 HYDROLYZED KERATIN / 水解角蛋白
Purpose: Protein conditioning agent.
Concerns: None.
Notes: Helps repair damaged hair by temporarily filling in structural gaps on the hair shaft.
🧪 PPG-9 / PPG-9
Purpose: Conditioning agent, solvent.
Concerns: Low concern.
Notes: Enhances the texture of the product and helps soften the hair.
🧪 POTASSIUM CHLORIDE / 氯化钾
Purpose: Viscosity increasing agent.
Concerns: None.
Notes: Works in synergy with anionic surfactants to increase the viscosity of the shampoo.
🧪 CARBOMER / 卡波姆
Purpose: Thickening agent, emulsion stabilizer.
Concerns: Low concern.
Notes: Helps create a gel-like consistency and keeps the ingredients suspended evenly.
🧪 STYRENE/ACRYLATES COPOLYMER / 苯乙烯/丙烯酸(酯)类共聚物
Purpose: Opacifying agent, film former.
Concerns: Environmental concerns regarding microplastics, though safe for cosmetic use.
Notes: Gives the shampoo a milky, non-transparent appearance.
🧪 GLYCOL DISTEARATE / 乙二醇双硬脂酸酯
Purpose: Pearlescent agent, emollient.
Concerns: Low concern.
Notes: Used to give shampoos a pearly, shimmer-like effect.
🧪 PEG-45M / PEG-45M
Purpose: Viscosity modifier, binder.
Concerns: Potential presence of ethylene oxide or 1,4-dioxane impurities from processing.
Notes: Improves the slip and creaminess of the lather.
🧪 TETRASODIUM EDTA / 乙二胺四乙酸四钠
Purpose: Chelating agent.
Concerns: Low concern, but can increase the skin absorption of other chemicals.
Notes: Neutralizes metal ions in water to prevent degradation and enhance preservative efficacy.
🧪 METHYLCHLOROISOTHIAZOLINONE / 甲基氯异噻唑啉酮
Purpose: Preservative.
Concerns: Strong sensitizer, potential contact allergen.
Notes: Highly effective at low concentrations; safe in rinse-off products.
🧪 METHYLISOTHIAZOLINONE / 甲基异噻唑啉酮
Purpose: Preservative.
Concerns: Known skin allergen and sensitizer.
Notes: Commonly used in rinse-off formulas to prevent bacterial growth, often paired with Methylchloroisothiazolinone.
🧪 FRAGRANCE (PARFUM) / 香精 (香料)
Purpose: Deodorant and scent ingredient.
Concerns: A common source of skin irritation and contact allergies.
Notes: Used to provide a pleasant scent to the product.
🧪 MICA / 云母
Purpose: Colorant, opacifying agent.
Concerns: Ethical concerns regarding labor practices in mining, but safe for topical use.
Notes: A natural mineral that adds a shimmering or sparkling visual effect.
🧪 TITANIUM DIOXIDE (CI 77891) / 二氧化钛
Purpose: Colorant, opacifying agent.
Concerns: Safe in cosmetics, but inhalation of powder form is restricted (not applicable to liquid shampoos).
Notes: A white pigment that increases opacity and brightens the product’s color.
🧪 CITRIC ACID / 柠檬酸
Purpose: pH adjuster.
Concerns: Can cause minor irritation if concentrated, but safe at formulation levels.
Notes: An organic acid used to optimize the product’s pH to match skin and scalp levels (around 4.5–5.5).