Amika Bust Your Brass Cool Blonde Shampoo 2.03 oz / 60 ml
Analysis updated August 2026 · How Scout scores
At a glance
Summary
This shampoo contains beneficial ingredients like glycerin, hydrolyzed keratin, and avocado oil, which provide moisture and nourishment to the hair. However, it also includes potentially harsh and irritating components such as sodium C14-16 olefin sulfonate, synthetic fragrance, and sodium chloride, which can strip natural oils and cause dryness. The presence of these ingredients, along with the use of synthetic preservatives, contributes to a moderate processing level, impacting the overall score.
Key ingredients 15
Hippophae Rhamnoides (Sea Buckthorn) Seed OilVery Good
Sea Buckthorn Seed Oil is rich in vitamins and antioxidants, providing nourishment to the hair and scalp. It helps to improve hair elasticity and shine. It is a beneficial ingredient for overall hair health.
Risks
Generally safe with minimal risk of irritation.
Benefits
Nourishes hair and improves shine and elasticity.
Persea Gratissima (Avocado) OilVery Good
Avocado Oil is rich in fatty acids and vitamins, providing deep conditioning to the hair. It helps to moisturize and strengthen hair, reducing breakage. It is a highly beneficial ingredient for dry or damaged hair.
Risks
Generally safe with minimal risk of irritation.
Benefits
Deeply conditions and strengthens hair.
GlycerinGood
Glycerin is a humectant that attracts moisture to the hair and scalp. It helps to maintain hydration and improve hair softness. It is a beneficial ingredient for dry or damaged hair.
Risks
Generally safe with minimal risk of irritation.
Benefits
Helps to keep hair moisturized and soft.
Hydrolyzed KeratinGood
Hydrolyzed Keratin is a protein that helps to strengthen and repair damaged hair. It penetrates the hair shaft to improve elasticity and reduce breakage. It is beneficial for maintaining healthy hair structure.
Risks
Generally safe with minimal risk of irritation.
Benefits
Strengthens hair and reduces breakage.
Cocamidopropyl BetaineNeutral
Cocamidopropyl Betaine is a mild surfactant derived from coconut oil. It is used to reduce irritation from harsher surfactants. While generally considered safe, it can cause allergic reactions in some individuals.
Risks
Potential allergen for some people, leading to skin irritation.
Benefits
Helps to create a rich lather and reduce irritation from other surfactants.
PEG-7 Glyceryl CocoateNeutral
PEG-7 Glyceryl Cocoate is an emollient and surfactant derived from coconut oil. It helps to condition the hair and improve texture. However, PEG compounds can be contaminated with harmful impurities like ethylene oxide.
Risks
Potential contamination with harmful impurities.
Benefits
Improves hair texture and provides conditioning effects.
Sodium Methyl Cocoyl TaurateNeutral
Sodium Methyl Cocoyl Taurate is a mild surfactant derived from coconut oil. It is used for its gentle cleansing properties. It is generally considered safe and non-irritating.
Risks
Minimal risk of irritation.
Benefits
Provides gentle cleansing without stripping natural oils.
Polyquaternium-10Neutral
Polyquaternium-10 is a conditioning agent that helps to reduce static and improve hair manageability. It forms a film on the hair, which can lead to buildup over time. It is generally safe for use in hair care products.
Risks
May cause buildup on hair with prolonged use.
Benefits
Improves hair manageability and reduces static.
Sodium ChlorideNeutral
Standard formulation ingredient — neither beneficial nor harmful at typical use.
Risks
Can cause scalp dryness and irritation.
Benefits
Helps to thicken the shampoo formula.
Citric AcidNeutral
Citric Acid is used to adjust the pH of the product. It helps to maintain the stability and effectiveness of the shampoo. It is generally safe for use in hair care products.
Risks
May cause irritation if used in high concentrations.
Benefits
Helps to maintain product stability and pH balance.
Sodium C14-16 Olefin SulfonateBad
Sodium C14-16 Olefin Sulfonate is a surfactant used for its cleansing properties. It can be harsh on the scalp, potentially stripping natural oils and causing dryness. It is not as gentle as other surfactants like coco-glucoside.
Risks
May cause dryness and irritation to sensitive scalps.
Benefits
Effective at removing dirt and oil from hair.
Disodium EDTABad
Processed additive flagged under Scout's ingredient doctrine.
Risks
May enhance penetration of other chemicals into the skin.
Benefits
Improves product stability and prevents metal ion contamination.
Benzyl AlcoholBad
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 not recommended for individuals with sensitive skin.
Risks
Can cause dryness and irritation to the skin and scalp.
Benefits
Acts as a preservative to extend product shelf life.
PhenoxyethanolBad
Phenoxyethanol is a preservative used to prevent microbial growth. It can cause skin irritation and allergic reactions in some individuals. It is considered a controversial ingredient due to potential toxicity concerns.
Risks
May cause skin irritation and allergic reactions.
Benefits
Prevents microbial growth and extends product shelf life.
Fragrance/ParfumVery Bad
Fragrance is often a mixture of various chemicals that can cause allergic reactions or irritation. It is not required to disclose the specific components, leading to potential unknown risks. Synthetic fragrances can be problematic for sensitive individuals.
Risks
May cause skin irritation or allergic reactions.
Benefits
Provides a pleasant scent to the product.
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