Redken All Soft Shampoo 33.8 Fl Oz

Common questions

Is Redken All Soft Shampoo 33.8 Fl Oz healthy?

Redken All Soft Shampoo 33.8 Fl Oz scores 60/100 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 potentially irritate the scalp, and Dimethicone, a non-water-soluble silicone that can cause buildup.

Which ingredients drive Redken All Soft Shampoo 33.8 Fl Oz's score?

In Scout's ingredient-by-ingredient analysis, Disodium Cocoamphodiacetate, Sodium PCA, Salicylic Acid count in its favor; Sodium Laureth Sulfate, Dimethicone, 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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Redken All Soft Shampoo 33.8 Fl Oz

Redken
60 Fair

Analysis updated August 2026 · How Scout scores

$116.00 · 33.8 fl oz · pack of 2 · $1.72 / fluid ounce
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At a glance

Beneficial ingredients 9
Harmful ingredients 10
Owned by L'Oréal S.A.
Category Shampoo
Summary

This shampoo contains Sodium Laureth Sulfate, which can strip natural oils and potentially irritate the scalp, and Dimethicone, a non-water-soluble silicone that can cause buildup. Additionally, it includes synthetic fragrance and preservatives like Benzyl Alcohol and Phenoxyethanol, which may cause irritation. However, it also features beneficial ingredients such as Argan Oil and Hydrolyzed Soy Protein, which provide nourishment and conditioning benefits.

Key ingredients 36

Argania Spinosa Kernel Oil
Very Good

Argania Spinosa Kernel Oil, commonly known as Argan Oil, is rich in essential fatty acids and vitamin E. It provides deep conditioning and nourishment to the hair. It is highly beneficial for improving hair softness and shine.

Risks

Generally considered safe with minimal risk of irritation.

Benefits

Deeply conditions and nourishes hair, improving softness and shine.

See more about Argania Spinosa Kernel Oil →
Disodium Cocoamphodiacetate
Good

Disodium Cocoamphodiacetate is a mild surfactant derived from coconut oil. It is used to gently cleanse the hair without stripping natural oils. It is considered less irritating than harsher surfactants.

Risks

Generally considered safe with minimal risk of irritation.

Benefits

Provides gentle cleansing, making it suitable for sensitive scalps.

See more about Disodium Cocoamphodiacetate →
Sodium PCA
Good

Sodium PCA is a humectant that helps to attract moisture to the hair and scalp. It is naturally occurring in human skin and is known for its hydrating properties. It helps to maintain moisture balance in the hair.

Risks

Generally considered safe with minimal risk of irritation.

Benefits

Helps to hydrate and maintain moisture in the hair and scalp.

See more about Sodium PCA →
Salicylic Acid
Good

Salicylic Acid is a beta hydroxy acid that helps to exfoliate the scalp and reduce dandruff. It can help to unclog pores and reduce flakiness. It is beneficial for those with dandruff or oily scalps.

Risks

May cause irritation if used in high concentrations or on sensitive skin.

Benefits

Helps to exfoliate the scalp and reduce dandruff.

See more about Salicylic Acid →
Guar Hydroxypropyltrimonium Chloride
Good

Guar Hydroxypropyltrimonium Chloride is a conditioning agent derived from guar gum. It helps to improve hair manageability and reduce static. It is beneficial for smoothing and detangling hair.

Risks

Generally considered safe with minimal risk of irritation.

Benefits

Improves hair manageability and reduces static.

See more about Guar Hydroxypropyltrimonium Chloride →
Sodium Cocoyl Amino Acids
Good

Sodium Cocoyl Amino Acids are derived from coconut oil and amino acids. They provide gentle cleansing and conditioning properties. They are beneficial for maintaining hair health without stripping natural oils.

Risks

Generally considered safe with minimal risk of irritation.

Benefits

Provides gentle cleansing and conditioning, maintaining hair health.

Arginine
Good

Arginine is an amino acid that helps to strengthen hair and improve elasticity. It supports hair growth and repair. It is beneficial for maintaining healthy hair structure.

Risks

Generally considered safe with minimal risk of irritation.

Benefits

Strengthens hair and improves elasticity, supporting growth and repair.

See more about Arginine →
Hydrolyzed Soy Protein
Good

Hydrolyzed Soy Protein helps to strengthen and repair hair by penetrating the hair shaft. It improves hair texture and adds volume. It is beneficial for damaged or weakened hair.

Risks

Generally considered safe with minimal risk of irritation.

Benefits

Strengthens and repairs hair, improving texture and volume.

See more about Hydrolyzed Soy Protein →
Hydrolyzed Vegetable Protein Pg-Propyl Silanetriol
Good

This ingredient is a protein-silicone complex that helps to strengthen and protect hair. It improves hair elasticity and reduces breakage. It is beneficial for enhancing hair resilience and shine.

Risks

Generally considered safe with minimal risk of irritation.

Benefits

Strengthens and protects hair, improving elasticity and reducing breakage.

See more about Hydrolyzed Vegetable Protein Pg-Propyl Silanetriol →
Aqua/Water
Neutral

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

Risks

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

Benefits

Water helps to hydrate the hair and scalp by acting as a carrier for other moisturizing ingredients.

See more about Aqua/Water →
Glycol Distearate
Neutral

Glycol Distearate is used as a pearlizing agent to give shampoos a creamy appearance. It does not have significant cleansing or conditioning properties. It is primarily aesthetic in function.

Benefits

Enhances the visual appeal of the product with a pearlescent look.

See more about Glycol Distearate →
Hexylene Glycol
Neutral

Hexylene Glycol is used as a solvent and viscosity agent in shampoos. It helps to stabilize the formulation and improve texture. It does not have direct benefits for hair health.

Risks

May cause mild irritation in sensitive individuals.

Benefits

Improves the texture and stability of the shampoo formulation.

See more about Hexylene Glycol →
Sodium Chloride
Neutral

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

Risks

Can cause dryness and irritation of the scalp.

Benefits

Helps to thicken the shampoo, improving its texture.

See more about Sodium Chloride →
Cocamide MIPA
Neutral

Cocamide MIPA is a surfactant and foam booster derived from coconut oil. It helps to stabilize foam and improve the texture of the shampoo. It is generally considered safe for use in cosmetics.

Risks

May cause mild irritation in some individuals.

Benefits

Enhances foam stability and texture in the shampoo.

See more about Cocamide MIPA →
Benzoic Acid
Neutral

Benzoic Acid is used as a preservative in cosmetic products. It helps to prevent microbial growth and extend shelf life. It does not have direct benefits for hair health.

Risks

Generally considered safe with minimal risk of irritation.

Benefits

Helps to preserve the product and prevent microbial contamination.

See more about Benzoic Acid →
Carbomer
Neutral

Carbomer is used as a thickening agent in cosmetic formulations. It helps to stabilize and thicken the product. It does not have direct benefits for hair health.

Risks

Generally considered safe with minimal risk of irritation.

Benefits

Improves the texture and stability of the shampoo.

See more about Carbomer →
Citric Acid
Neutral

Citric Acid is used to adjust the pH of cosmetic products. It helps to maintain the stability and effectiveness of the formulation. It does not have direct benefits for hair health.

Risks

May cause irritation if used in high concentrations.

Benefits

Helps to maintain the pH balance of the product.

See more about Citric Acid →
Sodium Citrate
Neutral

Sodium Citrate is used as a buffering agent to maintain pH balance. It helps to stabilize the formulation. It does not have direct benefits for hair health.

Risks

Generally considered safe with minimal risk of irritation.

Benefits

Helps to maintain the pH balance of the product.

See more about Sodium Citrate →
Potassium Dimethicone PEG-7 Panthenyl Phosphate
Neutral

This ingredient is a silicone derivative used for conditioning and smoothing hair. It helps to improve hair texture and manageability. It does not have significant risks or benefits beyond its conditioning properties.

Risks

Generally considered safe with minimal risk of irritation.

Benefits

Improves hair texture and manageability.

Sodium Sarcosinate
Neutral

Sodium Sarcosinate is a mild surfactant used for cleansing. It helps to remove dirt and oil without being overly harsh. It is generally considered safe for use in shampoos.

Risks

Generally considered safe with minimal risk of irritation.

Benefits

Provides mild cleansing without being overly harsh.

Coumarin
Neutral

Coumarin is a fragrance ingredient used to impart a sweet scent. It does not have direct benefits for hair health. It is primarily used for its aromatic properties.

Risks

May cause allergic reactions in sensitive individuals.

Benefits

Provides a sweet scent to the product.

See more about Coumarin →
Fumaric Acid
Neutral

Fumaric Acid is used as a pH adjuster in cosmetic formulations. It helps to maintain the stability and effectiveness of the product. It does not have direct benefits for hair health.

Risks

Generally considered safe with minimal risk of irritation.

Benefits

Helps to maintain the pH balance of the product.

See more about Fumaric Acid →
CI 15510/Orange 4
Neutral

CI 15510/Orange 4 is a synthetic dye used to impart color to cosmetic products. It does not have direct benefits for hair health. It is primarily used for aesthetic purposes.

Risks

May cause allergic reactions in sensitive individuals.

Benefits

Provides color to the product for aesthetic appeal.

CI 17200/Red 33
Neutral

CI 17200/Red 33 is a synthetic dye used to impart color to cosmetic products. It does not have direct benefits for hair health. It is primarily used for aesthetic purposes.

Risks

May cause allergic reactions in sensitive individuals.

Benefits

Provides color to the product for aesthetic appeal.

See more about CI 17200/Red 33 →
Tetrasodium EDTA
Neutral

Tetrasodium EDTA is a chelating agent used to bind metal ions and improve product stability. It helps to enhance the effectiveness of preservatives. It does not have direct benefits for hair health.

Risks

Generally considered safe with minimal risk of irritation.

Benefits

Improves product stability and enhances preservative effectiveness.

See more about Tetrasodium EDTA →
Sodium Hydroxide
Neutral

Sodium Hydroxide is used to adjust the pH of cosmetic formulations. It helps to maintain the stability and effectiveness of the product. It does not have direct benefits for hair health.

Risks

Can cause irritation if used in high concentrations.

Benefits

Helps to maintain the pH balance of the product.

See more about Sodium Hydroxide →
Sodium Laureth Sulfate
Bad

Sodium Laureth Sulfate is a surfactant that helps to create lather and remove dirt and oil. However, it can strip natural oils from the hair and scalp, leading to dryness. It is less harsh than Sodium Lauryl Sulfate but still considered a potential irritant.

Risks

It may cause dryness and irritation, especially for sensitive scalps.

Benefits

It effectively cleanses the hair by removing dirt and oil.

See more about Sodium Laureth Sulfate →
Dimethicone
Bad

Dimethicone is a silicone used to provide smoothness and shine to hair. It can cause buildup over time, making hair feel heavy and potentially brittle. It is not water-soluble, which can lead to accumulation on the hair.

Risks

Can lead to buildup on the hair, making it feel heavy and potentially causing brittleness.

Benefits

Provides a smooth, shiny appearance to hair and helps to reduce frizz.

See more about Dimethicone →
Propylene Glycol
Bad

Processed additive flagged under Scout's ingredient doctrine.

Risks

May cause irritation in sensitive individuals.

Benefits

Helps to retain moisture and improve product texture.

See more about Propylene Glycol →
Disodium EDTA
Bad

Processed additive flagged under Scout's ingredient doctrine.

Risks

Generally considered safe with minimal risk of irritation.

Benefits

Improves product stability and enhances preservative effectiveness.

See more about Disodium EDTA →
Benzyl Alcohol
Bad

Benzyl Alcohol is used as a preservative and solvent in cosmetic products. It can be drying and irritating to the skin and scalp. It is considered a potential allergen.

Risks

Can cause dryness and irritation, especially in sensitive individuals.

Benefits

Acts as a preservative to extend product shelf life.

See more about Benzyl Alcohol →
Linalool
Bad

Processed additive flagged under Scout's ingredient doctrine.

Risks

May cause allergic reactions in sensitive individuals.

Benefits

Provides a floral scent to the product.

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Limonene
Bad

Processed additive flagged under Scout's ingredient doctrine.

Risks

May cause allergic reactions in sensitive individuals.

Benefits

Provides a citrus scent to the product.

See more about Limonene →
Phenoxyethanol
Bad

Phenoxyethanol is a preservative used to prevent microbial growth. It can cause irritation and allergic reactions in some individuals. It is considered a potential skin irritant.

Risks

Can cause irritation and allergic reactions, especially in sensitive individuals.

Benefits

Acts as a preservative to extend product shelf life.

See more about Phenoxyethanol →
Potassium Sorbate
Bad

Synthetic preservative — flagged in daily-use products.

Risks

Generally considered safe with minimal risk of irritation.

Benefits

Acts as a preservative to extend product shelf life.

See more about Potassium Sorbate →
Parfum/Fragrance
Very Bad

Synthetic fragrances are used to impart scent to products but can contain allergens and irritants. They are often undisclosed mixtures, making it difficult to assess safety. Fragrances can cause allergic reactions in sensitive individuals.

Risks

Potential to cause allergic reactions and irritation.

Benefits

Provides a pleasant scent to the product.

See more about Parfum/Fragrance →

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