This is a classic purple toning shampoo formulated with Violet 2 and a strong sulfate cleansing base designed to neutralize brassiness in blonde, silver, and highlighted hair.
The formula delivers solid cleansing and hair-care functionality through a classic surfactant blend of sodium laureth sulfate and cocamidopropyl betaine, ensuring rich lather and effective dirt removal. Conditioning and smoothing benefits are provided by guar hydroxypropyltrimonium chloride, ricinoleamidopropyl ethyldimonium ethosulfate, and hydrolyzed vegetable protein, which help improve wet combability and fortify strands. Additionally, glycerin and propylene glycol supply light hydration to counter dryness. The inclusion of Violet 2 targets brassiness in color-treated hair, making it a capable functional toning shampoo, though its conditioning strength remains moderate compared to heavier, lipid-rich formulas.
The safety profile is constrained by several ingredients with known irritation and sensitization risks. Notably, the preservative combination of methylchloroisothiazolinone and methylisothiazolinone presents a well-documented risk of contact dermatitis and skin sensitization. The primary cleansing agent, sodium laureth sulfate, can cause scalp dryness or mild irritation for sensitive individuals, alongside potential trace impurities associated with ethoxylation. Furthermore, the inclusion of unspecified fragrance (parfum), cocamide MEA, and synthetic dye Violet 2 increases the likelihood of allergic reactions. While buffering agents like citric acid and chelators like tetrasodium EDTA stabilize the formulation, sensitive scalps may experience reactivity.
This shampoo represents a balanced middle-tier option that successfully merges dependable cleansing and toning efficacy with a moderate safety footprint. Its active surfactant system and conditioning agents adequately clean, tone, and soften the hair shaft without excessive weight. However, the presence of potent preservatives such as methylisothiazolinone, alongside standard sulfates and added fragrance, holds back the overall profile for users seeking gentle or hypoallergenic hair care. Ultimately, it functions as an effective everyday or specialized toning product for normal scalps, provided users are not particularly prone to sensitivity or allergic reactions from traditional preservative systems.
This formulation represents a traditional color-correcting purple shampoo built around the direct dye Violet 2 (CI 60730). By utilizing complementary color theory, the violet pigment actively neutralizes brassy yellow and warm undertones in lightened strands. The cleansing system is driven by Sodium Laureth Sulfate (SLES) and Cocamidopropyl Betaine, creating a dense, rich foam that removes styling residue, oils, and environmental build-up quickly. Because the dye requires direct access to the hair cuticle to tone effectively, this robust surfactant base ensures the fiber is thoroughly prepped for pigment deposition.
While the primary cleansing action is undeniably effective, the surfactant combination can be relatively stripping on delicate or over-processed hair. Ingredients like Cocamide MEA and Glycol Distearate improve texture and create a classic pearlescent lather, but the formula relies on a high-detergency framework. As a result, using this product too frequently can lead to dryness, tangling, and cuticle roughness, particularly on bleached hair that is already porous. It performs best as a weekly or bi-weekly targeted treatment rather than an everyday maintenance cleanser.
To balance the high-cleansing strength, the formula incorporates several conditioning and strengthening additives. Ingredients such as Hydrolyzed Vegetable Protein help temporarily fortify compromised keratin structures, while Glycerin and Propylene Glycol draw in moisture. Additionally, Guar Hydroxypropyltrimonium Chloride and specialized quaternary conditioning agents like Ricinoleamidopropyl Ethyldimonium Ethosulfate impart slip to reduce wet combing friction. Nonetheless, these light conditioners are insufficient to replace a heavy moisturizing treatment, making a rich post-wash mask essential for optimal strand health.
From a scalp tolerance perspective, this shampoo contains the potent preservative blend Methylchloroisothiazolinone and Methylisothiazolinone (MCI/MI) alongside synthetic fragrance. These ingredients are known contact allergens and may cause irritation for individuals with eczema, psoriasis, or hypersensitive skin barriers. Overall, this shampoo is a highly effective, budget-friendly brassiness neutralizer that delivers bright, cool-toned results when used judiciously. For best outcomes, limit usage to once or twice weekly and follow immediately with a deeply hydrating, color-safe conditioner.
🧪 Sodium Laureth Sulfate / 月桂醇聚醚硫酸酯钠
Purpose: Primary cleansing agent that creates rich foam and removes dirt, oil, and buildup.
Concerns: May cause dryness or scalp irritation in sensitive individuals, and carries a low risk of 1,4-dioxane traces from the ethoxylation process.
Notes: Generally milder and less irritating to skin and hair than Sodium Lauryl Sulfate (SLS).
🧪 Cocamidopropyl Betaine / 椰油酰胺丙基甜菜碱
Purpose: Secondary surfactant and foam booster that enhances lather creaminess and reduces the harshness of primary cleansers.
Concerns: Can occasionally cause contact allergies if synthesis impurities (like DMAPA) remain present.
Notes: An amphoteric surfactant derived from coconut fatty acids.
🧪 Cocamide MEA / 椰油酰胺 MEA
Purpose: Non-ionic surfactant used as a foam stabilizer, thickener, and viscosity booster.
Concerns: May cause mild irritation at high concentrations.
Notes: Widely used in cleansing formulations to build viscosity without requiring excessive salt.
🧪 Guar Hydroxypropyltrimonium Chloride / 瓜尔胶羟丙基三甲基氯化铵
Purpose: Cationic conditioning polymer that smooths hair cuticles, reduces static, and enhances wet detangling.
Notes: Derived from natural guar beans; binds electrostatically to negatively charged damaged hair fibers.
🧪 Ricinoleamidopropyl Ethyldimonium Ethosulfate / 蓖麻油酰胺丙基乙基二甲基硫酸乙酯
Purpose: Quaternary conditioning agent and antistatic compound that softens hair and controls frizz.
Notes: Derived from castor oil fatty acids.
🧪 Linoleamidopropyl PG-Dimonium Chloride Phosphate / 亚油酰胺丙基 PG-二甲基氯化铵磷酸酯
Purpose: Conditioning phospholipid derivative that provides slip, softness, and skin barrier support.
Notes: Offers both conditioning and mild co-surfactant properties.
🧪 Hydrolyzed Vegetable Protein / 水解植物蛋白
Purpose: Strengthening and moisture-binding agent that temporarily repairs porous hair strands.
Notes: Low molecular weight peptides can penetrate the hair cuticle to improve tensile strength.
🧪 Glycol Distearate / 乙二醇二硬脂酸酯
Purpose: Opacifying agent and pearlizer that gives shampoos a luxurious, pearlescent shimmer.
Notes: Also acts as a mild emollient and viscosity enhancer.
🧪 Glycol Stearate / 乙二醇硬脂酸酯
Purpose: Opacifying, emulsifying, and thickening agent.
Notes: Works synergistically with Glycol Distearate to create an opaque, creamy appearance.
🧪 Stearic Acid / 硬脂酸
Purpose: Emollient, emulsifier, and thickening agent that contributes to product texture and stability.
Notes: A naturally occurring saturated fatty acid commonly found in plant and animal fats.
🧪 Water / 水
Purpose: Primary solvent that dissolves other ingredients and forms the base of the liquid shampoo.
Notes: Typically constitutes the largest percentage of a shampoo formulation.
🧪 Glycerin / 甘油
Purpose: Humectant that draws moisture into the hair and scalp to prevent over-drying.
Notes: One of the most effective and widely utilized natural moisturizing agents in personal care.
🧪 Propylene Glycol / 丙二醇
Purpose: Humectant, solvent, and penetration enhancer.
Concerns: Can cause contact dermatitis or irritation in individuals with very sensitive skin.
Notes: Helps improve product stability during freeze-thaw cycles.
🧪 Citric Acid / 柠檬酸
Purpose: pH adjuster used to lower formulation pH to match the acidic mantle of hair and scalp.
Notes: Helps seal the hair cuticle, increasing shine and smoothness.
🧪 Aminomethyl Propanol / 氨甲基丙醇
Purpose: Alkaline buffering agent used to neutralize acidic components and stabilize pH.
Notes: Frequently used in hair care products to precisely control formulation alkalinity.
🧪 Disodium Phosphate / 磷酸氢二钠
Purpose: Buffering agent used to maintain a stable pH throughout the product shelf life.
Notes: Commonly used in tandem with other phosphate salts or acids for effective buffering capacity.
🧪 Tetrasodium EDTA / 乙二胺四乙酸四钠
Purpose: Chelating agent that binds hard water metal ions to improve lathering and formula stability.
Notes: Prevents metal ions from degrading preservatives or leaving mineral deposits on hair.
🧪 Methylchloroisothiazolinone / 甲基氯异噻唑啉酮
Purpose: Broad-spectrum synthetic preservative effective against bacteria and fungi.
Concerns: Known sensitizer and potential cause of contact allergy; strictly restricted to low concentrations in rinse-off products.
Notes: Commonly combined with Methylisothiazolinone in a 3:1 commercial blend known as Kathon CG.
🧪 Methylisothiazolinone / 甲基异噻唑啉酮
Purpose: Synthetic preservative providing antimicrobial protection.
Concerns: High sensitization potential; restricted to rinse-off formulations under global cosmetic regulations.
Notes: Used at very low parts-per-million (ppm) levels to ensure microbial safety.
🧪 Fragrance / 香精
Purpose: Imparts a pleasant scent and masks the base odor of raw ingredients.
Concerns: Proprietary fragrance mixtures can contain potential allergens or irritants.
Notes: Listed generically as Fragrance/Parfum on cosmetic ingredient decks.
🧪 Violet 2 (CI 60730) / CI 60730（紫 2）
Purpose: Colorant providing purple pigment to neutralize brassy and yellow tones in blonde, gray, or silver hair.
Notes: Also known as Ext. D&C Violet No. 2, commonly found in purple toning shampoos.