Equate Beauty Biotin & Collagen Shampoo

A volumizing shampoo formulated with Biotin, Collagen, and Wheat Proteins designed to give fine, flat hair a thicker and fuller appearance.

Performance Rating: 3.8

The formula features Sodium C14-16 Olefin Sulfonate, which provides strong cleansing performance. The inclusion of Hydrolyzed Collagen and Hydrolyzed Wheat Protein helps temporarily strengthen the hair shaft and improve volume. Dimethicone and Polyquaternium-10 offer effective detangling and smoothness, making it a solid choice for achieving a fuller hair appearance.

Safety Rating: 2.5

A primary safety concern is the combination of Methylchloroisothiazolinone and Methylisothiazolinone, known as ‘the mix,’ which are potent skin sensitizers that can cause allergic contact dermatitis. Furthermore, Sodium C14-16 Olefin Sulfonate can be quite drying and irritating for sensitive scalps. The use of synthetic dyes (Violet 2, Red 33) also increases the risk of irritation without providing functional benefits.

Final Rating: 3.2

While this shampoo is effective at cleansing and providing structural support to the hair through proteins, its overall score is tempered by its harsh preservative system. It is a functional product for those with healthy scalps seeking volume and thickness, but it is not recommended for individuals with sensitive skin, eczema, or highly porous, dry hair.

Verdict

This shampoo is a popular choice for individuals seeking to transform fine, thinning, or flat hair into a more voluminous and textured mane. The inclusion of Hydrolyzed Collagen and Hydrolyzed Wheat Protein provides the structural support needed to temporarily plump the hair shaft, giving the appearance of fuller, thicker strands. Biotin (Vitamin B7) is often marketed for hair growth, though its primary role in a rinse-off product like this is more about supporting the hair’s surface integrity. However, the formula relies heavily on Sodium C14-16 Olefin Sulfonate as its primary cleansing agent. While sulfate-free, this surfactant is quite powerful and can be harsh or drying for those with high porosity or naturally dry hair types. It effectively removes excess oils, which helps prevent hair from being weighed down, but it may strip away too many natural oils if used daily on sensitive scalps. To counteract potential dryness, the formula includes Dimethicone, a silicone that adds shine and slip, though it may lead to product buildup over time if a clarifying wash isn’t used occasionally. One significant point of concern for some users is the preservative system. The presence of Methylchloroisothiazolinone and Methylisothiazolinone (MCI/MI) can be a dealbreaker for individuals with sensitive skin or known allergies to these specific chemicals, as they are known contact allergens. Additionally, the inclusion of Sodium Chloride (salt) serves as a thickener but can contribute to dryness and may affect the longevity of certain chemical treatments like keratin smoothing. The inclusion of Ext. Violet 2 and Red 33 provides the product with its signature aesthetic, though these are strictly cosmetic additions. The Citric Acid helps to balance the pH of the formula, ensuring the hair cuticle remains relatively flat after the deep cleaning process, which enhances light reflection and overall shine. Because this shampoo lacks the traditional sulfates like SLS or SLES, it is often marketed as a gentler alternative; however, consumers should not mistake “sulfate-free” for “weak,” as the olefin sulfonate here is quite robust. It is particularly suited for individuals who live in areas with hard water, as the cleansing agents are effective at preventing mineral buildup that can leave hair looking dull. If you have color-treated hair, the stripping nature of the surfactants might cause faster fading, so it is recommended to use this shampoo as a clarifying step rather than a daily staple. Overall, it is a robust, effective tool for anyone battling thinning or lifeless locks that requires careful balancing with hydrating conditioners to maintain the hair’s natural elasticity.

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Ingredient Evaluation

📁 Solvents / 溶剂

🧪 WATER (AQUA) / 水

Purpose: Solvent

Concerns: None

Notes: The primary carrier for all other ingredients in the formula.

📁 Cleansing Agents & Surfactants / 清洁剂与表面活性剂

🧪 SODIUM C14-16 OLEFIN SULFONATE / C14-16 烯烃磺酸钠

Purpose: Cleansing agent

Concerns: Can be drying or irritating to sensitive scalps

Notes: A powerful surfactant that provides strong cleansing and foam.

🧪 COCAMIDOPROPYL HYDROXYSULTAINE / 椰油酰胺丙基羟基磺基甜菜碱

Purpose: Foam booster and mild surfactant

Concerns: Low

Notes: Helps create a creamy lather and reduces irritation from stronger surfactants.

🧪 SODIUM COCOYL ISETHIONATE / 椰油酰基羟乙基磺酸钠

Purpose: Gentle surfactant

Concerns: Low

Notes: Often referred to as baby foam due to its extreme mildness.

🧪 COCAMIDOPROPYL BETAINE / 椰油酰胺丙基甜菜碱

Purpose: Amphoteric surfactant

Concerns: Potential for contact allergy in some individuals

Notes: Very common secondary surfactant used to improve mildness.

📁 Active Ingredients & Proteins / 活性成分与蛋白质

🧪 BIOTIN / 生物素

Purpose: Hair conditioning agent

Concerns: Low

Notes: A B-vitamin often associated with hair strength and health.

🧪 HYDROLYZED COLLAGEN / 水解胶原

Purpose: Conditioning and moisturizing

Concerns: Low

Notes: Helps to increase hair elasticity and minimize breakage.

🧪 HYDROLYZED WHEAT PROTEIN / 水解小麦蛋白

Purpose: Conditioning and strengthening

Concerns: Potential allergen for those with gluten sensitivity

Notes: Helps to add volume and repair damaged hair shafts.

🧪 POLYQUATERNIUM-10 / 聚季铵盐-10

Purpose: Conditioning and antistatic agent

Concerns: Low

Notes: A cationic polymer that provides smoothness and improves detangling.

📁 Texture & Viscosity Modifiers / 质地与稠度调节剂

🧪 SODIUM CHLORIDE / 氯化钠

Purpose: Viscosity control

Concerns: Can be drying to the hair fiber

Notes: Common table salt used to thicken surfactant-based systems.

🧪 GLYCOL STEARATE / 乙二醇硬脂酸酯

Purpose: Opacifying agent

Concerns: Low

Notes: Gives the shampoo a pearlescent or opaque appearance.

🧪 PEG-120 METHYL GLUCOSE DIOLEATE / PEG-120 甲基葡糖二油酸酯

Purpose: Thickener

Concerns: Low

Notes: A very mild, high-efficiency thickener derived from sugar.

🧪 LAURETH-4 / 月桂醇聚醚-4

Purpose: Surfactant and emulsifier

Concerns: Low

Notes: Helps to stabilize the formulation.

🧪 LAURETH-23 / 月桂醇聚醚-23

Purpose: Surfactant and solubilizer

Concerns: Low

Notes: Used to help dissolve oils and fragrances into the water base.

🧪 DIMETHICONE / 聚二甲基硅氧烷

Purpose: Silicone conditioning agent

Concerns: Potential for product buildup over time

Notes: Provides significant slip, shine, and protection to the hair.

🧪 PROPYLENE GLYCOL / 丙二醇

Purpose: Humectant and solvent

Concerns: May cause irritation at high concentrations

Notes: Helps retain moisture in the product and on the hair.

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

🧪 CITRIC ACID / 柠檬酸

Purpose: pH adjuster

Concerns: Eye irritant

Notes: Used to bring the product to a skin-neutral pH level.

🧪 METHYLCHLOROISOTHIAZOLINONE / 甲基氯异噻唑啉酮

Purpose: Preservative

Concerns: Known skin sensitizer and allergen

Notes: Typically used only in rinse-off products to prevent microbial growth.

🧪 METHYLISOTHIAZOLINONE / 甲基异噻唑啉酮

Purpose: Preservative

Concerns: High risk of contact dermatitis

Notes: Often paired with Methylchloroisothiazolinone as Kathon CG.

🧪 IODOPROPYNYL BUTYLCARBAMATE / 碘丙炔醇丁基氨甲酸酯

Purpose: Preservative

Concerns: Potential contact allergen

Notes: Effective antifungal agent.

📁 Aesthetics & Fragrance / 美学与香精

🧪 FRAGRANCE (PARFUM) / 香精

Purpose: Scenting agent

Concerns: High potential for allergic reactions

Notes: Provides the characteristic smell of the product.

🧪 EXT. VIOLET 2 (CI 60730) / 外用紫2

Purpose: Colorant

Concerns: Synthetic dye sensitivity

Notes: Provides a purple tint to the product.

🧪 RED 33 (CI 17200) / 红33

Purpose: Colorant

Concerns: Synthetic dye sensitivity

Notes: Provides a reddish tint to the product.