Nécessaire Rosemary Shampoo

A sulfate-free, protein-rich formula designed to support hair density using Rosemary, Peptides, and a restorative Ceramide complex.

Performance Rating: 4.6

This is a high-performance formulation that functions as both a cleanser and a treatment. It utilizes premium sulfate-free surfactants (Sodium Lauroyl Methyl Isethionate, Taurates) that offer a luxurious foam without stripping. The ingredient list is exceptionally rich in reparative agents, featuring a full Ceramide complex (AG, AP, EOP, NG, NP), Cholesterol, and Fatty Acids to restore the hair’s lipid barrier. Additionally, the inclusion of Acetyl Tetrapeptide-3 combined with Clover Extract and Rosemary Oil targets hair density and scalp stimulation, while a diverse blend of Hydrolyzed Proteins (Rice, Pea, Quinoa) provides structural reinforcement.

Safety Rating: 3.9

The formula is free from harsh sulfates (SLS/SLES) and parabens, using gentle cleansers and food-grade preservatives like Potassium Sorbate and Sodium Benzoate. However, the safety score is moderated by the heavy presence of Fragrance (Parfum) and multiple potent volatile compounds such as Limonene, Linalool, Camphor, and Pinene. While these provide a sensory experience, they are known allergens and sensitizers that may cause irritation for users with sensitive scalps or eczema.

Final Rating: 4.4

This is a top-tier luxury shampoo designed for damaged, thinning, or dry hair. It mimics the natural biology of hair via its lipid-rich composition and supports growth with peptides. While the performance potential is extremely high, the complex fragrance profile prevents a perfect score due to the risk of sensitivity for some users. Ideally suited for those who want active repair in their wash step and tolerate essential oils well.

Verdict

This formulation represents a sophisticated hybrid between a gentle cleanser and a clinical-grade scalp treatment. The surfactant system is notably mild, relying on Sodium Lauroyl Methyl Isethionate and various taurates rather than harsh sulfates. This ensures that the scalp maintains its natural moisture barrier while effectively removing debris, making it an excellent choice for color-treated or chemically processed hair that cannot withstand stripping detergents. The inclusion of Glycerin and Propanediol early in the list guarantees a hydrating wash experience that counteracts the dryness often associated with volumizing products.

The ingredient profile is heavily skewed toward promoting hair density and structural integrity. The use of Rosmarinus Officinalis (Rosemary) in three distinct forms—extract, oil, and water—highlights a focus on stimulating scalp microcirculation, which is often linked to improved hair growth. This natural approach is reinforced by the addition of Acetyl Tetrapeptide-3 and Red Clover Extract, a bioactive complex known to support follicle anchoring and reduce scalp inflammation. For those struggling with thinning hair or shedding, this combination offers a potent, multi-modal approach to revitalization.

Beyond stimulation, the shampoo serves as a reconstructing agent. It features a diverse array of hydrolyzed proteins from Jojoba, Rice, Pea, and Quinoa, which penetrate the hair shaft to reinforce strength and elasticity. This is complemented by a comprehensive Ceramide complex (AG, AP, EOP, NG, NP) and lipid-rich ingredients like Cholesterol and fatty acids. These components mimic the hair’s natural cell membrane complex, sealing the cuticle and smoothing frizz. However, the presence of Fragrance, Camphor, and citrus oils, while providing a refreshing sensory experience, may pose a risk of irritation for those with highly sensitive scalps or conditions like dermatitis. Overall, this is a top-tier choice for weak, brittle, or thinning hair requiring both gentle cleansing and aggressive fortification.

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Ingredient Evaluation

📁 Cleansing Agents (Surfactants) / 清洁剂(表面活性剂)

🧪 Sodium Lauroyl Methyl Isethionate / 月桂酰甲基羟乙基磺酸钠

Purpose: Surfactant/Cleansing

Concerns: None identified

Notes: A very mild, sulfate-free surfactant derived from coconut.

🧪 Cocamidopropyl Betaine / 椰油酰胺丙基甜菜碱

Purpose: Surfactant/Foam Booster

Concerns: Potential allergen (impurities)

Notes: Mild amphoteric surfactant that helps boost foam and reduce irritation from other surfactants.

🧪 Sodium Methyl Oleoyl Taurate / 甲基油酰基牛磺酸钠

Purpose: Surfactant

Concerns: None identified

Notes: Mild cleansing agent.

🧪 Sodium Methyl Cocoyl Taurate / 甲基椰油酰基牛磺酸钠

Purpose: Surfactant

Concerns: None identified

Notes: Gentle surfactant that creates a creamy foam.

🧪 Sodium Cocoyl Isethionate / 椰油酰羟乙基磺酸钠

Purpose: Surfactant

Concerns: None identified

Notes: Extremely mild surfactant, often known as ‘baby foam’.

📁 Botanical Extracts & Oils / 植物提取物与精油

🧪 Rosmarinus Officinalis (Rosemary) Leaf Extract / 迷迭香叶提取物

Purpose: Antioxidant/Scalp Care

Concerns: None identified

Notes: Supports scalp health and circulation.

🧪 Rosmarinus Officinalis (Rosemary) Leaf Oil / 迷迭香叶油

Purpose: Essential Oil/Scalp Care

Concerns: Potential irritant if concentrated

Notes: Often used for promoting hair thickness.

🧪 Rosmarinus Officinalis (Rosemary) Leaf Water / 迷迭香叶水

Purpose: Soothing/Conditioning

Concerns: None identified

Notes: Diluted form of rosemary, adds hydration.

🧪 Trifolium Pratense (Clover) Flower Extract / 红车轴草花提取物

Purpose: Hair Growth Support

Concerns: None identified

Notes: Often paired with Acetyl Tetrapeptide-3 to inhibit DHT.

🧪 Citrus Aurantium Peel Oil / 酸橙果皮油

Purpose: Fragrance/Conditioning

Concerns: Photosensitivity/Irritation

Notes: Provides citrus scent and shine.

📁 Proteins & Strengthening / 蛋白质与强化成分

🧪 Hydrolyzed Jojoba Protein / 水解霍霍巴蛋白

Purpose: Conditioning/Repair

Concerns: None identified

Notes: Forms a hygroscopic film on hair.

🧪 Hydrolyzed Rice Protein / 水解大米蛋白

Purpose: Volumizing

Concerns: None identified

Notes: Increases hair volume and shine.

🧪 Hydrolyzed Pea Protein / 水解豌豆蛋白

Purpose: Conditioning

Concerns: None identified

Notes: Plant-based alternative to keratin.

🧪 Hydrolyzed Quinoa / 水解藜麦蛋白

Purpose: Color Protection/Repair

Concerns: None identified

Notes: Helps retain color and repair damage.

🧪 Hydrolyzed Vegetable Protein / 水解植物蛋白

Purpose: Strengthening

Concerns: None identified

Notes: Penetrates hair shaft to reduce breakage.

📁 Lipids & Barrier Repair / 脂质与屏障修复

🧪 Ceramide AG, AP, EOP, NG, NP / 神经酰胺 AG, AP, EOP, NG, NP

Purpose: Restorative/Moisturizing

Concerns: None identified

Notes: Skin-identical lipids that restore the protective barrier of the scalp and hair cuticle.

🧪 Cholesterol / 胆固醇

Purpose: Emollient/Stabilizer

Concerns: None identified

Notes: Works with ceramides to maintain barrier function.

🧪 Linoleic Acid / 亚油酸

Purpose: Emollient/Skin conditioning

Concerns: None identified

Notes: Omega-6 fatty acid.

🧪 Linolenic Acid / 亚麻酸

Purpose: Emollient/Skin conditioning

Concerns: None identified

Notes: Omega-3 fatty acid.

🧪 Oleic Acid / 油酸

Purpose: Emollient

Concerns: None identified

Notes: Omega-9 fatty acid.

🧪 Palmitic Acid / 棕榈酸

Purpose: Emollient

Concerns: None identified

Notes: Fatty acid.

🧪 Stearic Acid / 硬脂酸

Purpose: Emollient/Thickener

Concerns: None identified

Notes: Fatty acid.

🧪 Hydrogenated Lecithin / 氢化卵磷脂

Purpose: Emulsifier/Conditioning

Concerns: None identified

Notes: Facilitates penetration of other ingredients.

🧪 Sucrose Distearate / 蔗糖二硬脂酸酯

Purpose: Emulsifier

Concerns: None identified

Notes: Sugar-derived emulsifier.

📁 Vitamins & Scalp Actives / 维生素与头皮活性成分

🧪 Tocopherol / 生育酚 (维生素E)

Purpose: Antioxidant

Concerns: None identified

Notes: Protects oils in the formula and scalp from oxidation.

🧪 Niacinamide / 烟酰胺 (维生素B3)

Purpose: Scalp Health

Concerns: None identified

Notes: Improves scalp barrier and circulation.

🧪 Panthenol / 泛醇 (维生素B5)

Purpose: Humectant/Strengthening

Concerns: None identified

Notes: Penetrates hair to add moisture and pliability.

🧪 Acetyl Tetrapeptide-3 / 乙酰基四肽-3

Purpose: Peptide/Hair Growth

Concerns: None identified

Notes: Stimulates tissue regeneration; often used for hair loss.

📁 Moisturizers & Solvents / 保湿剂与溶剂

🧪 Aqua/Water/Eau / 水

Purpose: Solvent

Concerns: None identified

Notes: The base of the formula.

🧪 Glycerin / 甘油

Purpose: Humectant

Concerns: None identified

Notes: Draws moisture into the hair and scalp.

🧪 Propanediol / 1,3-丙二醇

Purpose: Solvent/Humectant

Concerns: None identified

Notes: Plant-derived alternative to propylene glycol.

🧪 Butylene Glycol / 丁二醇

Purpose: Solvent/Humectant

Concerns: None identified

Notes: Texture enhancer and solvent.

🧪 Dipropylene Glycol / 双丙甘醇

Purpose: Solvent

Concerns: None identified

Notes: Solvent for extracts and fragrance.

🧪 Dextran / 葡聚糖

Purpose: Binder/Humectant

Concerns: None identified

Notes: Polysaccharide used to stabilize the formula.

📁 Texture Enhancers & Stabilizers / 质地调节剂与稳定剂

🧪 Glyceryl Stearate / 甘油硬脂酸酯

Purpose: Emulsifier

Concerns: None identified

Notes: Helps oil and water mix.

🧪 Acrylates Crosspolymer-4 / 丙烯酸(酯)类交联聚合物-4

Purpose: Thickener/Stabilizer

Concerns: None identified

Notes: Provides viscosity.

🧪 Acrylates/C10-30 Alkyl Acrylate Crosspolymer / 丙烯酸(酯)类/C10-30 烷醇丙烯酸酯交联聚合物

Purpose: Thickener

Concerns: None identified

Notes: Texture control agent.

🧪 Guar Hydroxypropyltrimonium Chloride / 瓜儿胶羟丙基三甲基氯化铵

Purpose: Conditioning/Anti-static

Concerns: Buildup (rare)

Notes: Neutralizes negative charge on hair to reduce static.

🧪 Sodium Chloride / 氯化钠

Purpose: Thickener

Concerns: Drying (if high conc.)

Notes: Salt, thickens surfactant systems.

📁 Preservatives & pH Adjusters / 防腐剂与pH调节剂

🧪 Phenoxyethanol / 苯氧乙醇

Purpose: Preservative

Concerns: Irritation (rare)

Notes: Common safe preservative.

🧪 Potassium Sorbate / 山梨酸钾

Purpose: Preservative

Concerns: None identified

Notes: Mild preservative, often food grade.

🧪 Sodium Benzoate / 苯甲酸钠

Purpose: Preservative

Concerns: None identified

Notes: Effective in acidic pH.

🧪 Gluconolactone / 葡糖酸内酯

Purpose: Chelator/Exfoliant

Concerns: None identified

Notes: Polyhydroxy acid (PHA) that also preserves.

🧪 Calcium Gluconate / 葡萄糖酸钙

Purpose: Humectant/Chelator

Concerns: None identified

Notes: Often paired with Gluconolactone.

🧪 Citric Acid / 柠檬酸

Purpose: pH Adjuster

Concerns: None identified

Notes: Ensures shampoo is pH balanced for hair.

🧪 Sodium Carbonate / 碳酸钠

Purpose: pH Adjuster

Concerns: None identified

Notes: Soda ash.

🧪 Sodium Hydroxide / 氢氧化钠

Purpose: pH Adjuster

Concerns: Corrosive (raw form)

Notes: Used in tiny amounts to neutralize acids.

📁 Fragrance & Allergens / 香精与过敏原

🧪 Fragrance (Parfum) / 香精

Purpose: Scent

Concerns: Sensitivity/Allergies

Notes: Synthetic or natural scent blend.

🧪 Limonene / 柠檬烯

Purpose: Fragrance Component

Concerns: Allergen

Notes: Natural component of citrus oils.

🧪 Linalool / 芳樟醇

Purpose: Fragrance Component

Concerns: Allergen

Notes: Floral scent component.

🧪 Beta-Caryophyllene / β-石竹烯

Purpose: Fragrance Component

Concerns: None identified

Notes: Spicy, peppery terpene.

🧪 Terpineol / 松油醇

Purpose: Fragrance Component

Concerns: None identified

Notes: Lilac-like scent.

🧪 Tetramethyl Acetyloctahydronaphthalenes / 四甲基乙酰基八氢萘

Purpose: Fragrance Component

Concerns: Sensitizer

Notes: Synthetic woody aroma (Iso E Super type).

🧪 Camphor / 樟脑

Purpose: Fragrance/Cooling

Concerns: Irritation

Notes: Cooling sensation.

🧪 Pinene / 派烯

Purpose: Fragrance Component

Concerns: Sensitizer

Notes: Pine-like scent.