Pureology Smooth Perfection Shampoo 1000ml/33.8oz

Common questions

Is Pureology Smooth Perfection Shampoo 1000ml/33.8oz healthy?

Pureology Smooth Perfection Shampoo 1000ml/33.8oz 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 beneficial ingredients like sodium cocoyl isethionate and decyl glucoside, which are gentle surfactants derived from coconut oil, as well as moisturizing agents like shea butter and sesame oil.

Which ingredients drive Pureology Smooth Perfection Shampoo 1000ml/33.8oz's score?

In Scout's ingredient-by-ingredient analysis, Sodium Cocoyl Isethionate, Decyl Glucoside, Coconut Acid count in its favor; Sodium Lauroyl Sarcosinate, Divinyldimethicone/Dimethicone Copolymer, Parfum 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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Pureology Smooth Perfection Shampoo 1000ml/33.8oz

Pureology
65 Fair

Analysis updated August 2026 · How Scout scores

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At a glance

Beneficial ingredients 12
Harmful ingredients 12
Owned by L'Oréal
Category Shampoo
Summary

This shampoo contains beneficial ingredients like sodium cocoyl isethionate and decyl glucoside, which are gentle surfactants derived from coconut oil, as well as moisturizing agents like shea butter and sesame oil. However, it also includes non-water-soluble silicones such as dimethicone and amodimethicone, which can cause buildup on hair, and synthetic fragrance, which may lead to irritation. The presence of sodium chloride as a thickener and several preservatives further impacts its overall ingredient safety and processing level.

Key ingredients 53

Sodium Cocoyl Isethionate
Very Good

Sodium Cocoyl Isethionate is a gentle surfactant derived from coconut oil. It is known for its mildness and ability to cleanse without stripping natural oils. This makes it suitable for sensitive skin and hair.

Benefits

Provides gentle cleansing and maintains the natural moisture balance of hair.

See more about Sodium Cocoyl Isethionate →
Butyrospermum Parkii Butter
Very Good

Butyrospermum Parkii Butter, or shea butter, is known for its moisturizing and conditioning properties. It is rich in vitamins and fatty acids, making it beneficial for hair health. It helps to nourish and protect hair from damage.

Benefits

Deeply moisturizes and conditions hair, providing nourishment and protection.

See more about Butyrospermum Parkii Butter →
Decyl Glucoside
Good

Decyl Glucoside is a mild, non-ionic surfactant derived from glucose and coconut oil. It is known for its gentle cleansing properties and is suitable for sensitive skin. It is biodegradable and considered environmentally friendly.

Benefits

Provides gentle cleansing and is environmentally friendly.

See more about Decyl Glucoside →
Coconut Acid
Good

Coconut Acid is derived from coconut oil and is used for its cleansing and conditioning properties. It helps to maintain the natural moisture balance of the hair. It is generally considered safe and beneficial for hair care.

Benefits

Helps to cleanse and condition hair while maintaining moisture balance.

See more about Coconut Acid →
Sesamum Indicum Seed Oil
Good

Sesamum Indicum Seed Oil, or sesame oil, is used for its moisturizing and conditioning properties. It is rich in antioxidants and essential fatty acids. It helps to nourish and protect hair.

Benefits

Moisturizes and conditions hair, providing nourishment and protection.

See more about Sesamum Indicum Seed Oil →
Camellia Oleifera Seed Oil
Good

Camellia Oleifera Seed Oil is used for its moisturizing and conditioning properties. It is rich in antioxidants and essential fatty acids. It helps to nourish and protect hair.

Benefits

Moisturizes and conditions hair, providing nourishment and protection.

See more about Camellia Oleifera Seed Oil →
Glycerin
Good

Glycerin is a humectant that helps to retain moisture in the hair and skin. It is derived from natural sources and is considered safe for use in cosmetics. It helps to improve the texture and feel of the product.

Benefits

Helps to retain moisture and improve product texture.

See more about Glycerin →
Tocopherol
Good

Tocopherol, or Vitamin E, is an antioxidant that helps to protect hair from damage. It is used for its moisturizing and conditioning properties. It helps to nourish and protect hair.

Benefits

Protects hair from damage and provides nourishment and conditioning.

See more about Tocopherol →
Helianthus Annuus Seed Extract
Good

Helianthus Annuus Seed Extract, or sunflower seed extract, is used for its moisturizing and conditioning properties. It is rich in vitamins and fatty acids, making it beneficial for hair health. It helps to nourish and protect hair.

Benefits

Moisturizes and conditions hair, providing nourishment and protection.

Hydrolyzed Vegetable Protein Pg-Propyl Silanetriol
Good

Hydrolyzed Vegetable Protein Pg-Propyl Silanetriol is used for its strengthening and conditioning properties. It helps to improve hair elasticity and reduce breakage. It is generally considered safe for use in cosmetics.

Benefits

Strengthens hair and reduces breakage, improving elasticity.

See more about Hydrolyzed Vegetable Protein Pg-Propyl Silanetriol →
Pelargonium Graveolens Flower Oil
Good

Pelargonium Graveolens Flower Oil, or geranium oil, is used for its fragrance and conditioning properties. It is known for its soothing and balancing effects on the scalp. It is generally considered safe for use in cosmetics.

Benefits

Provides fragrance and conditioning, with soothing effects on the scalp.

See more about Pelargonium Graveolens Flower Oil →
Ascorbic Acid
Good

Ascorbic Acid, or Vitamin C, is an antioxidant that helps to protect hair from damage. It is used for its conditioning and brightening properties. It helps to nourish and protect hair.

Benefits

Protects hair from damage and provides conditioning and brightening effects.

See more about Ascorbic Acid →
Water
Neutral

Water is a common solvent used in cosmetic formulations. It helps to dissolve other ingredients and provides a base for the product. It does not have any direct benefits or risks in this context.

Benefits

Water acts as a solvent and helps in the application of the product.

See more about Water →
Disodium Laureth Sulfosuccinate
Neutral

Disodium Laureth Sulfosuccinate is a mild surfactant used for its cleansing properties. It is less irritating than traditional sulfates. It helps in creating a lather and removing dirt and oil.

Risks

May cause mild irritation in very sensitive individuals.

Benefits

Provides effective cleansing with reduced irritation compared to harsher sulfates.

Sodium Lauryl Sulfoacetate
Neutral

Sodium Lauryl Sulfoacetate is a mild surfactant that helps in foaming and cleansing. It is considered less irritating than traditional sulfates. It is often used in formulations for sensitive skin.

Risks

May cause mild irritation in sensitive individuals.

Benefits

Offers gentle cleansing and foaming properties.

Glycol Distearate
Neutral

Glycol Distearate is used as an opacifying agent and to give a pearlescent appearance. It also acts as a skin conditioning agent. It is generally considered safe for use in cosmetics.

Benefits

Enhances the appearance and texture of the product.

See more about Glycol Distearate →
Cocamidopropyl Betaine
Neutral

Cocamidopropyl Betaine is a surfactant derived from coconut oil. It is used to increase the foaming capacity of cleansing products. It is generally considered mild and safe for use.

Risks

May cause mild irritation in sensitive individuals.

Benefits

Enhances foaming and cleansing properties of the product.

See more about Cocamidopropyl Betaine →
Glycereth-26
Neutral

Glycereth-26 is a humectant that helps to retain moisture in the hair and skin. It is derived from glycerin and is considered safe for use in cosmetics. It helps to improve the texture and feel of the product.

Benefits

Helps to retain moisture and improve product texture.

Sodium Hydroxide
Neutral

Sodium Hydroxide is used to adjust the pH of cosmetic products. It is a strong base and must be used in small amounts to avoid irritation. It is generally considered safe when used appropriately.

Risks

Can cause irritation if used in high concentrations.

Benefits

Helps to maintain the desired pH level of the product.

See more about Sodium Hydroxide →
Sodium Isethionate
Neutral

Sodium Isethionate is a surfactant used for its cleansing properties. It is derived from isethionic acid and is considered mild. It helps to create a creamy lather and cleanse the hair.

Benefits

Provides mild cleansing and helps create a creamy lather.

Citric Acid
Neutral

Citric Acid is used to adjust the pH of cosmetic products. It is a natural acid found in citrus fruits and is generally considered safe. It helps to maintain the stability and effectiveness of the product.

Risks

Can cause mild irritation in sensitive individuals.

Benefits

Helps to adjust pH and maintain product stability.

See more about Citric Acid →
PPG-5-Ceteth-20
Neutral

PPG-5-Ceteth-20 is an emulsifying agent used to blend oil and water-based ingredients. It helps to improve the texture and consistency of the product. It is generally considered safe for use in cosmetics.

Benefits

Improves texture and consistency of the product.

See more about PPG-5-Ceteth-20 →
Polyquaternium-7
Neutral

Polyquaternium-7 is a conditioning agent used to improve the texture and feel of hair. It helps to reduce static and enhance manageability. It is generally considered safe for use in hair care products.

Benefits

Improves hair texture and reduces static.

See more about Polyquaternium-7 →
Polyquaternium-10
Neutral

Polyquaternium-10 is a conditioning polymer that helps to improve hair texture and manageability. It is used to reduce static and enhance the feel of hair. It is generally considered safe for use in cosmetics.

Benefits

Enhances hair texture and reduces static.

See more about Polyquaternium-10 →
Sodium Chloride
Neutral

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

Risks

Can cause dryness and irritation of the scalp.

Benefits

Used to thicken the product and improve texture.

See more about Sodium Chloride →
Coco-Betaine
Neutral

Coco-Betaine is a surfactant derived from coconut oil. It is used to enhance the foaming and cleansing properties of shampoos. It is generally considered mild and safe for use.

Risks

May cause mild irritation in sensitive individuals.

Benefits

Enhances foaming and cleansing properties of the product.

See more about Coco-Betaine →
PEG-55 Propylene Glycol Oleate
Neutral

PEG-55 Propylene Glycol Oleate is an emulsifier used to blend oil and water-based ingredients. It helps to improve the texture and consistency of the product. It is generally considered safe for use in cosmetics.

Benefits

Improves texture and consistency of the product.

Carbomer
Neutral

Carbomer is used as a thickening agent in cosmetic formulations. It helps to stabilize and improve the texture of the product. It is generally considered safe for use in cosmetics.

Benefits

Improves texture and stability of the product.

See more about Carbomer →
C11-15 Pareth-7
Neutral

C11-15 Pareth-7 is an emulsifying agent used to blend oil and water-based ingredients. It helps to improve the texture and consistency of the product. It is generally considered safe for use in cosmetics.

Benefits

Improves texture and consistency of the product.

Benzoic Acid
Neutral

Benzoic Acid is used as a preservative in cosmetic products. It helps to prevent the growth of bacteria and mold. It is generally considered safe for use in cosmetics.

Risks

May cause mild irritation in sensitive individuals.

Benefits

Prevents microbial growth and extends product shelf life.

See more about Benzoic Acid →
Butylene Glycol
Neutral

Butylene Glycol is used as a humectant and solvent in cosmetics. It helps to retain moisture and improve the texture of the product. It is generally considered safe for use in cosmetics.

Risks

May cause mild irritation in sensitive individuals.

Benefits

Helps to retain moisture and improve product texture.

See more about Butylene Glycol →
Laureth-9
Neutral

Laureth-9 is used as an emulsifier and surfactant in cosmetic formulations. It helps to blend oil and water-based ingredients and improve texture. It is generally considered safe for use in cosmetics.

Benefits

Improves texture and consistency of the product.

C12-13 Pareth-23
Neutral

C12-13 Pareth-23 is an emulsifying agent used to blend oil and water-based ingredients. It helps to improve the texture and consistency of the product. It is generally considered safe for use in cosmetics.

Benefits

Improves texture and consistency of the product.

C12-13 Pareth-3
Neutral

C12-13 Pareth-3 is an emulsifying agent used to blend oil and water-based ingredients. It helps to improve the texture and consistency of the product. It is generally considered safe for use in cosmetics.

Benefits

Improves texture and consistency of the product.

Trideceth-12
Neutral

Trideceth-12 is an emulsifying agent used to blend oil and water-based ingredients. It helps to improve the texture and consistency of the product. It is generally considered safe for use in cosmetics.

Benefits

Improves texture and consistency of the product.

Salicylic Acid
Neutral

Salicylic Acid is used for its exfoliating properties and to help with dandruff control. It helps to remove dead skin cells and reduce scalp flakiness. It is generally considered safe for use in cosmetics.

Risks

May cause irritation in sensitive individuals.

Benefits

Helps to exfoliate the scalp and reduce dandruff.

See more about Salicylic Acid →
Magnesium Nitrate
Neutral

Magnesium Nitrate is used as a stabilizer in cosmetic formulations. It helps to maintain the stability and effectiveness of the product. It is generally considered safe for use in cosmetics.

Benefits

Helps to stabilize the product and maintain effectiveness.

Benzophenone-4
Neutral

Benzophenone-4 is used as a UV filter in cosmetic products. It helps to protect hair from UV damage and color fading. It is generally considered safe for use in cosmetics.

Risks

May cause mild irritation in sensitive individuals.

Benefits

Protects hair from UV damage and color fading.

See more about Benzophenone-4 →
Magnesium Chloride
Neutral

Magnesium Chloride is used as a stabilizer in cosmetic formulations. It helps to maintain the stability and effectiveness of the product. It is generally considered safe for use in cosmetics.

Benefits

Helps to stabilize the product and maintain effectiveness.

See more about Magnesium Chloride →
CI 15510
Neutral

CI 15510 is a colorant used to impart color to cosmetic products. It is generally considered safe for use in cosmetics. It helps to enhance the appearance of the product.

Benefits

Enhances the appearance of the product with color.

CI 14700
Neutral

CI 14700 is a colorant used to impart color to cosmetic products. It is generally considered safe for use in cosmetics. It helps to enhance the appearance of the product.

Benefits

Enhances the appearance of the product with color.

Sodium Lauroyl Sarcosinate
Bad

Processed additive flagged under Scout's ingredient doctrine.

Risks

May cause mild irritation in some individuals.

Benefits

Provides gentle cleansing and is suitable for sensitive skin.

See more about Sodium Lauroyl Sarcosinate →
Divinyldimethicone/Dimethicone Copolymer
Bad

Dimethicone is a silicone-based polymer used for its smoothing properties. It can cause buildup on hair over time, leading to brittleness. It is not water-soluble, which can make it difficult to remove.

Risks

Can cause buildup on hair, leading to potential brittleness and dullness.

Benefits

Provides a smooth, silky feel to hair.

Parfum
Bad

Parfum, or fragrance, is used to impart scent to the product. It can contain a mixture of various chemicals, some of which may cause irritation or allergic reactions. The exact composition is often undisclosed, leading to concerns about potential allergens.

Risks

Potential for allergic reactions and irritation due to undisclosed chemical composition.

Benefits

Provides a pleasant scent to the product.

See more about Parfum →
Amodimethicone
Bad

Amodimethicone is a silicone-based conditioning agent. It can cause buildup on hair over time, leading to potential brittleness. It is not water-soluble, which can make it difficult to remove.

Risks

Can cause buildup on hair, leading to potential brittleness and dullness.

Benefits

Provides conditioning and smoothness to hair.

See more about Amodimethicone →
Propylene Glycol
Bad

Processed additive flagged under Scout's ingredient doctrine.

Risks

May cause mild irritation in sensitive individuals.

Benefits

Helps to retain moisture and improve product texture.

See more about Propylene Glycol →
Sodium Benzoate
Bad

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

Risks

May cause mild irritation in sensitive individuals.

Benefits

Prevents microbial growth and extends product shelf life.

See more about Sodium Benzoate →
Phenoxyethanol
Bad

Phenoxyethanol is used as a preservative in cosmetic products. It can cause irritation and allergic reactions in some individuals. It is generally considered safe in low concentrations.

Risks

Potential for irritation and allergic reactions.

Benefits

Prevents microbial growth and extends product shelf life.

See more about Phenoxyethanol →
Benzyl Alcohol
Bad

Benzyl Alcohol is used as a preservative and solvent in cosmetics. It can cause irritation and dryness, especially in sensitive individuals. It is generally considered safe in low concentrations.

Risks

Can cause irritation and dryness, especially in sensitive individuals.

Benefits

Prevents microbial growth and acts as a solvent.

See more about Benzyl Alcohol →
Methylchloroisothiazolinone
Bad

Methylchloroisothiazolinone is used as a preservative in cosmetic products. It can cause allergic reactions and irritation in some individuals. It is generally considered safe in low concentrations.

Risks

Potential for allergic reactions and irritation.

Benefits

Prevents microbial growth and extends product shelf life.

Sorbic Acid
Bad

Processed additive flagged under Scout's ingredient doctrine.

Risks

May cause mild irritation in sensitive individuals.

Benefits

Prevents microbial growth and extends product shelf life.

See more about Sorbic Acid →
Potassium Sorbate
Bad

Synthetic preservative — flagged in daily-use products.

Risks

May cause mild irritation in sensitive individuals.

Benefits

Prevents microbial growth and extends product shelf life.

See more about Potassium Sorbate →
Methylisothiazolinone
Very Bad

Methylisothiazolinone is used as a preservative in cosmetic products. It can cause allergic reactions and irritation in some individuals. It is generally considered safe in low concentrations.

Risks

Potential for allergic reactions and irritation.

Benefits

Prevents microbial growth and extends product shelf life.

See more about Methylisothiazolinone →

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