Biolage Ultra Hydrasource Shampoo 33.8 Oz

Common questions

Is Biolage Ultra Hydrasource Shampoo 33.8 Oz healthy?

Biolage Ultra Hydrasource Shampoo 33.8 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 Biolage Ultra Hydrasource Shampoo 33.8 Oz's score?

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

You might also like

See more

Biolage Ultra Hydrasource Shampoo 33.8 Oz

Biolage
65 Fair

Analysis updated August 2026 · How Scout scores

$45.00 · 33.8 fl oz · $1.33 / fluid ounce
View on Amazon
Verified Amazon match

At a glance

Beneficial ingredients 6
Harmful ingredients 8
Owned by L'Oréal
Category Shampoo
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 Aloe Vera and Apricot Kernel Oil, which provide moisturizing and soothing properties. The presence of both beneficial and potentially irritating ingredients results in a mixed evaluation, with some concerns about ingredient safety and scalp health.

Key ingredients 26

Prunus Armeniaca Kernel Oil / Apricot Kernel Oil
Very Good

Apricot Kernel Oil is a natural oil used for its moisturizing and conditioning properties. It is rich in fatty acids and vitamins, which help nourish and soften the hair. It is considered a beneficial ingredient in hair care products.

Risks

Generally considered safe with low risk of irritation.

Benefits

Moisturizes and conditions the hair, improving softness and shine.

Theobroma Grandiflorum Seed Butter
Very Good

Theobroma Grandiflorum Seed Butter, also known as Cupuaçu Butter, is used for its emollient properties. It helps to hydrate and condition the hair, improving its texture and manageability. It is rich in fatty acids and antioxidants.

Risks

Generally considered safe with low risk of irritation.

Benefits

Hydrates and conditions the hair, enhancing texture and manageability.

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 properties, helping to remove dead skin cells and reduce dandruff. It is effective in treating scalp conditions like dandruff and seborrheic dermatitis. It is generally well-tolerated in cosmetic formulations.

Risks

May cause irritation in sensitive individuals or if used excessively.

Benefits

Helps exfoliate the scalp and reduce dandruff.

See more about Salicylic Acid →
Aloe Barbadensis Leaf Juice
Good

Aloe Vera is known for its soothing and moisturizing properties. It helps to hydrate the scalp and hair, reducing dryness and irritation. It is a beneficial ingredient in hair care products for its calming effects.

Risks

Generally considered safe with low risk of irritation.

Benefits

Soothes and hydrates the scalp and hair, reducing dryness.

See more about Aloe Barbadensis Leaf Juice →
Tocopherol
Good

Tocopherol, also known as Vitamin E, is an antioxidant used to protect the product from oxidation. It helps to nourish and protect the hair and scalp. It is considered a beneficial ingredient in hair care products.

Risks

Generally considered safe with low risk of irritation.

Benefits

Nourishes and protects the hair and scalp with antioxidant properties.

See more about Tocopherol →
Aqua / Water / Eau
Neutral

Water is a universal solvent used as a base in many cosmetic products. It helps dissolve other ingredients and provides a medium for them to function. It does not have any direct benefits or risks in the formulation.

Risks

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

Benefits

Water acts as a carrier for other ingredients, allowing them to be evenly distributed.

See more about Aqua / Water / Eau →
Glycol Distearate
Neutral

Glycol Distearate is used as an opacifying agent and to give the product a pearlescent appearance. It does not have significant benefits or risks associated with its use. It primarily serves an aesthetic function in the formulation.

Benefits

Improves the visual appeal of the product with a pearlescent effect.

See more about Glycol Distearate →
Sodium Chloride
Neutral

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

Risks

May cause dryness and irritation to the scalp.

Benefits

Helps to thicken the shampoo, improving its texture.

See more about Sodium Chloride →
Citric Acid
Neutral

Citric Acid is used to adjust the pH of cosmetic products. It helps maintain the stability and efficacy of the formulation. It is generally safe and non-irritating in small amounts.

Risks

Can cause irritation if used in high concentrations.

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 formulations. It is effective in small amounts and helps maintain product stability. It does not have direct benefits or risks when used appropriately.

Risks

Can cause irritation if used in high concentrations.

Benefits

Helps to maintain the pH balance of the product.

See more about Sodium Hydroxide →
Hexylene Glycol
Neutral

Hexylene Glycol is used as a solvent and viscosity agent in cosmetics. It helps improve the texture and spreadability of the product. It is generally considered safe in cosmetic formulations.

Risks

Potential for minor irritation in sensitive individuals.

Benefits

Improves the texture and spreadability of the product.

See more about Hexylene Glycol →
Guar Hydroxypropyltrimonium Chloride
Neutral

This ingredient is used as a conditioning agent to improve the texture and manageability of hair. It helps reduce static and frizz. It is generally considered safe and effective in hair care products.

Benefits

Improves hair texture and reduces static and frizz.

See more about Guar Hydroxypropyltrimonium Chloride →
Carbomer
Neutral

Carbomer is used as a thickening agent to stabilize emulsions in cosmetic products. It helps improve the texture and consistency of the product. It is generally considered safe and non-irritating.

Benefits

Improves the texture and stability of the product.

See more about Carbomer →
Hexyl Cinnamal
Neutral

Hexyl Cinnamal is a fragrance ingredient used to impart a floral scent to cosmetic products. It is generally considered safe but can cause allergic reactions in sensitive individuals. It does not provide direct benefits to the hair or scalp.

Risks

Potential for allergic reactions and skin irritation.

Benefits

Provides a floral scent to the product.

See more about Hexyl Cinnamal →
Coumarin
Neutral

Coumarin is a fragrance ingredient used to impart a sweet scent to cosmetic products. It is generally considered safe but can cause allergic reactions in sensitive individuals. It does not provide direct benefits to the hair or scalp.

Risks

Potential for allergic reactions and skin irritation.

Benefits

Provides a sweet scent to the product.

See more about Coumarin →
Amyl Cinnamal
Neutral

Amyl Cinnamal is a fragrance ingredient used to impart a jasmine-like scent to cosmetic products. It is generally considered safe but can cause allergic reactions in sensitive individuals. It does not provide direct benefits to the hair or scalp.

Risks

Potential for allergic reactions and skin irritation.

Benefits

Provides a jasmine-like scent to the product.

See more about Amyl Cinnamal →
Fumaric Acid
Neutral

Fumaric Acid is used as a pH adjuster and stabilizer in cosmetic formulations. It helps maintain the stability and efficacy of the product. It is generally considered safe and non-irritating.

Benefits

Helps to maintain the pH balance and stability of the product.

See more about Fumaric Acid →
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 less harsh than Sodium Lauryl Sulfate but still considered a potential irritant.

Risks

May cause dryness and irritation to the scalp and skin.

Benefits

Provides effective cleansing and foaming action.

See more about Sodium Laureth Sulfate →
Cocamide MEA
Bad

Processed additive flagged under Scout's ingredient doctrine.

Risks

Potential for minor irritation in sensitive individuals.

Benefits

Enhances foam and stabilizes the product formulation.

See more about Cocamide MEA →
Sodium Benzoate
Bad

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

Risks

May cause irritation in sensitive individuals.

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

Potential for allergic reactions and skin irritation.

Benefits

Provides a fresh citrus scent to the product.

See more about Limonene →
Benzyl Alcohol
Bad

Benzyl Alcohol is used as a preservative and solvent in cosmetic products. It can cause skin irritation and dryness, especially in sensitive individuals. It is effective in preventing microbial growth but can be drying.

Risks

May cause skin irritation and dryness.

Benefits

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

See more about Benzyl Alcohol →
Linalool
Bad

Processed additive flagged under Scout's ingredient doctrine.

Risks

Potential for allergic reactions and skin irritation.

Benefits

Provides a floral scent to the product.

See more about Linalool →
Potassium Sorbate
Bad

Synthetic preservative — flagged in daily-use products.

Risks

May cause irritation in sensitive individuals.

Benefits

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

See more about Potassium Sorbate →
Parfum / Fragrance
Very Bad

Fragrance is used to impart a pleasant scent to 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

Potential for allergic reactions and skin irritation.

Benefits

Provides a pleasant scent to the product.

See more about Parfum / Fragrance →

Get the full breakdown in the Scout appTake Scout shopping

Scan any product to see lab results, healthy alternatives, and your personalized analysis.

Download on theApp Store GET IT ONGoogle Play
Amazon pricing & content

Amazon price as of . Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.

CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED “AS IS” AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.

More in Shampoo