Garnier Fructis Grow Strong Thickening Shampoo with Biotin All Hair Types 33.8 fl oz

Common questions

Is Garnier Fructis Grow Strong Thickening Shampoo with Biotin All Hair Types 33.8 fl oz healthy?

Garnier Fructis Grow Strong Thickening Shampoo with Biotin All Hair Types 33.8 fl oz scores 65/100 on Scout's independent analysis of ingredients, additives, and lab results — a fair-to-good score — solid, with tradeoffs. This shampoo contains Sodium Laureth Sulfate, which can strip natural oils and cause dryness, and synthetic fragrance, which may lead to irritation.

Which ingredients drive Garnier Fructis Grow Strong Thickening Shampoo with Biotin All Hair Types 33.8 fl oz's score?

In Scout's ingredient-by-ingredient analysis, Coco-Betaine, Salicylic Acid, Ascorbyl Glucoside count in its favor; Sodium Laureth Sulfate, Sodium Benzoate, Parfum / Fragrance are flagged as ingredients of concern. The full breakdown, with why each one matters, is in the Key ingredients section on this page.

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Garnier Fructis Grow Strong Thickening Shampoo with Biotin All Hair Types 33.8 fl oz

Garnier
65 Fair

Analysis updated September 2026 · How Scout scores

$8.53 · 33.8 fl oz · 1 count · $0.25 / fluid ounce
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At a glance

Beneficial ingredients 6
Harmful ingredients 6
Owned by L’Oréal
Category Conditioner
Summary

This shampoo contains Sodium Laureth Sulfate, which can strip natural oils and cause dryness, and synthetic fragrance, which may lead to irritation. However, it also includes beneficial ingredients like Biotin and Salicylic Acid, which support hair health and scalp maintenance. The presence of both beneficial and potentially harmful ingredients results in a mixed evaluation, with some concerns about ingredient safety and hair health impact.

Key ingredients 22

Coco-Betaine
Good

Coco-Betaine is a mild surfactant derived from coconut oil, used to enhance foam and improve the texture of the product. It is considered gentle on the skin and hair. It helps to reduce irritation caused by harsher surfactants.

Risks

Generally considered safe with low risk of irritation.

Benefits

Enhances foam and provides a gentle cleansing action.

See more about Coco-Betaine →
Salicylic Acid
Good

Salicylic Acid is used for its exfoliating and anti-inflammatory properties. It helps to remove dead skin cells and reduce dandruff. It is beneficial for maintaining a healthy scalp.

Risks

May cause irritation in sensitive scalps if used excessively.

Benefits

Exfoliates the scalp and reduces dandruff.

See more about Salicylic Acid →
Ascorbyl Glucoside
Good

Ascorbyl Glucoside is a stable form of Vitamin C used for its antioxidant properties. It helps to protect hair from environmental damage. It is beneficial for maintaining healthy hair.

Benefits

Provides antioxidant protection for hair.

Citrus Sinensis Fruit Extract / Orange Fruit Extract
Good

Orange Fruit Extract is used for its antioxidant and fragrance properties. It helps to protect hair from environmental damage and provides a pleasant scent. It is beneficial for maintaining healthy hair.

Risks

May cause irritation in sensitive individuals, but generally safe.

Benefits

Provides antioxidant protection and a pleasant scent.

Biotin
Good

Biotin is a B-vitamin used for its role in strengthening hair and promoting growth. It helps to improve the overall health and appearance of hair. It is beneficial for individuals looking to enhance hair thickness and strength.

Benefits

Strengthens hair and promotes growth.

See more about Biotin →
Tocopherol
Good

Tocopherol, or Vitamin E, is used for its antioxidant properties. It helps to protect hair from environmental damage and improve overall health. It is beneficial for maintaining healthy and strong hair.

Benefits

Provides antioxidant protection and improves hair health.

See more about Tocopherol →
Aqua / Water / Eau
Neutral

Water is the primary solvent in most shampoos, providing a base for other ingredients. It helps to dissolve and distribute the active components evenly. It does not have any direct benefits or risks.

Risks

There are no inherent risks associated with water in cosmetic formulations.

Benefits

Water acts as a carrier for other ingredients, ensuring they are evenly distributed.

See more about Aqua / Water / Eau →
Sodium Chloride
Neutral

Standard formulation ingredient — neither beneficial nor harmful at typical use.

Risks

May cause dryness and irritation, especially in sensitive scalps.

Benefits

Helps to thicken the shampoo for a better texture.

See more about Sodium Chloride →
Citric Acid
Neutral

Citric Acid is used to adjust the pH of the product, ensuring it is suitable for hair and scalp. It can help to maintain the stability of the formulation. It does not have direct benefits or risks when used in appropriate concentrations.

Risks

In high concentrations, it may cause irritation, but this is unlikely in shampoos.

Benefits

Helps to maintain the pH balance of the product.

See more about Citric Acid →
Sodium Hydroxide
Neutral

Sodium Hydroxide is used to adjust the pH of cosmetic products. It is effective in small amounts to ensure the product is not too acidic or alkaline. It does not provide direct benefits or risks when used appropriately.

Risks

In high concentrations, it can be caustic, but this is controlled in formulations.

Benefits

Helps to maintain the desired pH level of the product.

See more about Sodium Hydroxide →
Dicaprylyl Ether
Neutral

Dicaprylyl Ether is used as an emollient and solvent in cosmetic formulations. It provides a smooth application and helps to improve the texture of the product. It is generally considered safe with no significant risks or benefits.

Benefits

Improves the texture and application of the product.

See more about Dicaprylyl Ether →
Peg-55 Propylene Glycol Oleate
Neutral

This ingredient is used as an emulsifier and surfactant in cosmetic products. It helps to stabilize formulations and improve texture. It is generally considered safe with no significant risks or benefits.

Benefits

Stabilizes the formulation and improves texture.

Hydroxypropyl Guar Hydroxypropyltrimonium Chloride
Neutral

This ingredient is used as a conditioning agent in hair care products. It helps to improve the texture and manageability of hair. It is generally considered safe with no significant risks or benefits.

Benefits

Improves hair texture and manageability.

Oleyl Alcohol
Neutral

Oleyl Alcohol is used as an emollient and thickening agent in cosmetic products. It helps to improve the texture and feel of the product. It is generally considered safe with no significant risks or benefits.

Benefits

Improves texture and feel of the product.

Peg-60 Hydrogenated Castor Oil
Neutral

This ingredient is used as an emulsifier and surfactant in cosmetic products. It helps to stabilize formulations and improve texture. It is generally considered safe with no significant risks or benefits.

Benefits

Stabilizes the formulation and improves texture.

Polyquaternium-7
Neutral

Polyquaternium-7 is used as a conditioning agent in hair care products. It helps to improve the texture and manageability of hair. It is generally considered safe with no significant risks or benefits.

Benefits

Improves hair texture and manageability.

See more about Polyquaternium-7 →
Sodium Laureth Sulfate
Bad

Sodium Laureth Sulfate is a surfactant used for its cleansing and foaming properties. It can strip natural oils from the hair, leading to dryness and irritation. It is considered less harsh than Sodium Lauryl Sulfate but still has potential negative effects.

Risks

May cause dryness and irritation to the scalp and hair.

Benefits

Provides effective cleansing and foaming action.

See more about Sodium Laureth Sulfate →
Sodium Benzoate
Bad

Synthetic preservative that can form benzene in the presence of vitamin C.

Risks

May cause irritation in sensitive individuals, but generally safe.

Benefits

Prevents microbial growth, extending the shelf life of the product.

See more about Sodium Benzoate →
Limonene
Bad

Processed additive flagged under Scout's ingredient doctrine.

Risks

May cause irritation or allergic reactions in sensitive individuals.

Benefits

Provides a citrus scent and may have antimicrobial properties.

See more about Limonene →
Propylene Glycol
Bad

Processed additive flagged under Scout's ingredient doctrine.

Risks

May cause irritation in sensitive individuals, but generally safe.

Benefits

Helps to retain moisture and improve product texture.

See more about Propylene Glycol →
Potassium Sorbate
Bad

Synthetic preservative — flagged in daily-use products.

Risks

May cause irritation in sensitive individuals, but generally safe.

Benefits

Prevents microbial growth, extending the shelf life of the product.

See more about Potassium Sorbate →
Parfum / Fragrance
Very Bad

Fragrance is added to enhance the sensory experience of the product. It can cause allergic reactions and irritation in sensitive individuals. The specific components of synthetic fragrances are often undisclosed, leading to potential unknown risks.

Risks

May cause allergic reactions and irritation.

Benefits

Improves the sensory experience with a pleasant scent.

See more about Parfum / Fragrance →

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