GK HAIR Global Keratin Colored Shield Shampoo and Conditioner Sets (22 Fl Oz/650ml) - Deep Cleansing Moisturizing Heat Shield Protection for Color Treated Dry Damaged Curly Frizzy Hair - Sulfate Free

Common questions

Is GK HAIR Global Keratin Colored Shield Shampoo and Conditioner Sets (22 Fl Oz/650ml) - Deep Cleansing Moisturizing Heat Shield Protection for Color Treated Dry Damaged Curly Frizzy Hair - Sulfate Free healthy?

GK HAIR Global Keratin Colored Shield Shampoo and Conditioner Sets (22 Fl Oz/650ml) - Deep Cleansing Moisturizing Heat Shield Protection for Color Treated Dry Damaged Curly Frizzy Hair - Sulfate Free scores 75/100 on Scout's independent analysis of ingredients, additives, and lab results — a fair-to-good score — solid, with tradeoffs. This shampoo and conditioner set is sulfate-free, which is beneficial for maintaining hair health without stripping natural oils.

Which ingredients drive GK HAIR Global Keratin Colored Shield Shampoo and Conditioner Sets (22 Fl Oz/650ml) - Deep Cleansing Moisturizing Heat Shield Protection for Color Treated Dry Damaged Curly Frizzy Hair - Sulfate Free's score?

In Scout's ingredient-by-ingredient analysis, Cocamidopropyl Hydroxysultaine, Disodium Cocoamphodiacetate, Methyl Gluceth-20 count in its favor; Phenoxyethanol, Parfum, Disodium EDTA 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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GK HAIR Global Keratin Colored Shield Shampoo and Conditioner Sets (22 Fl Oz/650ml) - Deep Cleansing Moisturizing Heat Shield Protection for Color Treated Dry Damaged Curly Frizzy Hair - Sulfate Free

75 Good

Analysis updated July 2026 · How Scout scores

$40.00 · 10.1 oz · $1.98 / fluid ounce
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At a glance

Beneficial ingredients 7
Harmful ingredients 4
Category Shampoo
Summary

This shampoo and conditioner set is sulfate-free, which is beneficial for maintaining hair health without stripping natural oils. It includes several beneficial ingredients like aloe vera, panthenol, and hydrolyzed keratin that support hair strength and moisture. However, the presence of phenoxyethanol and synthetic fragrance (parfum) introduces potential irritation risks, which slightly detracts from its overall safety profile.

Key ingredients 28

Cocamidopropyl Hydroxysultaine
Good

Cocamidopropyl Hydroxysultaine is a mild surfactant derived from coconut oil. It is used to enhance foam and improve the conditioning properties of the product. It is generally well-tolerated and considered gentle on the skin.

Risks

Rarely, it may cause mild irritation in sensitive individuals.

Benefits

Enhances foam and provides mild cleansing without stripping natural oils.

See more about Cocamidopropyl Hydroxysultaine →
Disodium Cocoamphodiacetate
Good

Disodium Cocoamphodiacetate is a gentle surfactant derived from coconut oil. It is used to reduce irritation potential and improve the mildness of the formulation. It is suitable for sensitive skin and hair.

Risks

Generally considered safe with minimal risk of irritation.

Benefits

Provides gentle cleansing and helps maintain the natural moisture balance of the hair.

See more about Disodium Cocoamphodiacetate →
Methyl Gluceth-20
Good

Methyl Gluceth-20 is a humectant and emollient that helps to moisturize and soften the hair. It is derived from glucose and is known for its ability to enhance the feel of the product. It is considered safe and non-irritating.

Benefits

Improves moisture retention and leaves hair feeling soft and smooth.

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Aloe Barbadensis Leaf Juice
Good

Aloe Barbadensis Leaf Juice is known for its soothing and moisturizing properties. It is derived from the aloe vera plant and is widely used in cosmetics for its hydrating benefits. It is considered safe and beneficial for both skin and hair.

Risks

Generally considered safe with minimal risk of irritation.

Benefits

Provides hydration and soothing benefits, improving hair and scalp health.

See more about Aloe Barbadensis Leaf Juice →
Panthenol
Good

Panthenol, also known as provitamin B5, is used for its moisturizing and conditioning properties. It penetrates the hair shaft, improving moisture retention and elasticity. It is considered safe and beneficial for hair health.

Benefits

Enhances moisture retention and improves hair strength and elasticity.

See more about Panthenol →
Hydrolyzed Keratin
Good

Hydrolyzed Keratin is a protein derived from keratin that helps strengthen and repair hair. It penetrates the hair shaft, improving elasticity and reducing breakage. It is considered beneficial for hair health.

Benefits

Strengthens hair and reduces breakage, improving overall hair health.

See more about Hydrolyzed Keratin →
Keratin (Juvexin)
Good

Keratin (Juvexin) is a form of keratin used to strengthen and protect hair. It helps improve hair texture and manageability by reducing frizz and enhancing smoothness. It is considered beneficial for hair health.

Benefits

Strengthens and protects hair, improving texture and reducing frizz.

Aqua
Neutral

Aqua, or water, is the primary solvent in most cosmetic products. It helps dissolve other ingredients and provides a base for the formulation. It is generally considered safe and non-reactive.

Risks

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

Benefits

Water is essential for dissolving ingredients and ensuring even distribution in the product.

See more about Aqua →
Sodium C14-16 Olefin Sulfonate
Neutral

Sodium C14-16 Olefin Sulfonate is a surfactant used for its cleansing properties. It is effective in removing dirt and oil from hair. However, it can be harsh and potentially drying for some hair types.

Risks

May cause dryness or irritation for sensitive scalps.

Benefits

Provides effective cleansing by removing oils and impurities from the hair.

See more about Sodium C14-16 Olefin Sulfonate →
Ethylhexylglycerin
Neutral

Ethylhexylglycerin is used as a skin conditioning agent and preservative enhancer. It is considered safe and is often used in combination with other preservatives. It has a low risk of irritation.

Risks

Generally considered safe with minimal risk of irritation.

Benefits

Enhances the efficacy of preservatives and provides skin conditioning benefits.

See more about Ethylhexylglycerin →
Glycol Distearate
Neutral

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

Benefits

Improves the visual appeal of the product and provides conditioning benefits.

See more about Glycol Distearate →
Polyquaternium-7
Neutral

Polyquaternium-7 is a conditioning agent that helps improve the texture and manageability of hair. It forms a film on the hair, providing smoothness and reducing static. It is generally considered safe for use in hair care products.

Risks

May cause buildup on hair with prolonged use.

Benefits

Improves hair manageability and reduces static and frizz.

See more about Polyquaternium-7 →
Polyquaternium-10
Neutral

Polyquaternium-10 is a conditioning polymer that enhances the texture and feel of hair. It provides a protective film that helps reduce frizz and improve combability. It is widely used in hair care products and is considered safe.

Risks

Potential for buildup on hair with frequent use.

Benefits

Enhances hair smoothness and reduces frizz and tangling.

See more about Polyquaternium-10 →
Guar Hydroxypropyltrimonium Chloride
Neutral

Guar Hydroxypropyltrimonium Chloride is a conditioning agent derived from guar gum. It helps improve the texture and manageability of hair by reducing static and enhancing smoothness. It is considered safe for use in hair care products.

Risks

May cause buildup on hair with prolonged use.

Benefits

Improves hair manageability and reduces static and frizz.

See more about Guar Hydroxypropyltrimonium Chloride →
PEG-150 Pentaerythrityl Tetrastearate
Neutral

PEG-150 Pentaerythrityl Tetrastearate is used as a thickening agent and emulsifier in cosmetic formulations. It helps stabilize the product and improve its texture. It is generally considered safe for use in cosmetics.

Benefits

Enhances product stability and texture, providing a smooth application.

See more about PEG-150 Pentaerythrityl Tetrastearate →
Citric Acid
Neutral

Citric Acid is used to adjust the pH of cosmetic products and acts as a preservative. It is naturally found in citrus fruits and is generally considered safe for use in cosmetics. It can also help improve the effectiveness of other preservatives.

Risks

May cause mild irritation in sensitive individuals.

Benefits

Helps maintain product stability and enhances preservative efficacy.

See more about Citric Acid →
PEG-6 Caprylic/Capric Glycerides
Neutral

PEG-6 Caprylic/Capric Glycerides are used as emulsifiers and skin conditioning agents. They help improve the texture and spreadability of the product. They are generally considered safe for use in cosmetics.

Benefits

Improves product texture and provides skin conditioning benefits.

Quaternium-95
Neutral

Quaternium-95 is a conditioning agent used to improve the texture and manageability of hair. It forms a film on the hair, providing smoothness and reducing static. It is generally considered safe for use in hair care products.

Risks

May cause buildup on hair with prolonged use.

Benefits

Improves hair manageability and reduces static and frizz.

Propanediol
Neutral

Propanediol is used as a solvent and humectant in cosmetic formulations. It helps improve the texture and moisture retention of the product. It is generally considered safe for use in cosmetics.

Benefits

Enhances product texture and provides moisture retention benefits.

See more about Propanediol →
Oxidized Keratin
Neutral

Oxidized Keratin is a form of keratin used to improve hair strength and elasticity. It helps repair damaged hair and enhance its appearance. It is generally considered safe for use in hair care products.

Benefits

Improves hair strength and elasticity, reducing damage and breakage.

Benzyl Benzoate
Neutral

Benzyl Benzoate is used as a fragrance ingredient and solvent in cosmetic products. It is generally considered safe for use in cosmetics, although it can cause irritation in some individuals. It is used in low concentrations to minimize risks.

Risks

May cause irritation or allergic reactions in sensitive individuals.

Benefits

Provides fragrance and enhances the solubility of other ingredients.

See more about Benzyl Benzoate →
Benzyl Salicylate
Neutral

Benzyl Salicylate is used as a fragrance ingredient and UV light absorber in cosmetic products. It is generally considered safe for use in cosmetics, although it can cause irritation in some individuals. It is used in low concentrations to minimize risks.

Risks

May cause irritation or allergic reactions in sensitive individuals.

Benefits

Provides fragrance and offers UV protection benefits.

See more about Benzyl Salicylate →
Hexyl Cinnamal
Neutral

Hexyl Cinnamal is a fragrance ingredient used to impart a floral scent to cosmetic products. It is generally considered safe for use in cosmetics, although it can cause irritation in some individuals. It is used in low concentrations to minimize risks.

Risks

May cause irritation or allergic reactions in sensitive individuals.

Benefits

Provides a pleasant floral scent to the product.

See more about Hexyl Cinnamal →
Hydroxyisohexyl 3-Cyclohexene Carboxaldehyde
Neutral

Hydroxyisohexyl 3-Cyclohexene Carboxaldehyde is a fragrance ingredient used to impart a floral scent to cosmetic products. It is generally considered safe for use in cosmetics, although it can cause irritation in some individuals. It is used in low concentrations to minimize risks.

Risks

May cause irritation or allergic reactions in sensitive individuals.

Benefits

Provides a pleasant floral scent to the product.

Phenoxyethanol
Bad

Phenoxyethanol is a preservative used to prevent microbial growth in cosmetic products. While effective, it can cause irritation in some individuals and is a potential allergen. It is generally used in low concentrations to minimize risks.

Risks

May cause skin irritation or allergic reactions in sensitive individuals.

Benefits

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

See more about Phenoxyethanol →
Parfum
Bad

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

Risks

May cause allergic reactions or irritation, especially in sensitive individuals.

Benefits

Provides a pleasant scent to the product, enhancing user experience.

See more about Parfum →
Disodium EDTA
Bad

Processed additive flagged under Scout's ingredient doctrine.

Benefits

Enhances product stability and prevents metal ion interference.

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Limonene
Bad

Processed additive flagged under Scout's ingredient doctrine.

Risks

May cause irritation or allergic reactions in sensitive individuals.

Benefits

Provides a fresh, citrus scent to the product.

See more about Limonene →

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