Nexxus Keraphix Shampoo for Damaged Hair 13.5 oz

Common questions

Is Nexxus Keraphix Shampoo for Damaged Hair 13.5 oz healthy?

Nexxus Keraphix Shampoo for Damaged Hair 13.5 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 beneficial ingredients like collagen amino acids, hydrolyzed elastin, and hydrolyzed keratin, which help strengthen and repair damaged hair.

Which ingredients drive Nexxus Keraphix Shampoo for Damaged Hair 13.5 oz's score?

In Scout's ingredient-by-ingredient analysis, Collagen Amino Acids, Hydrolyzed Elastin, Hydrolyzed Keratin count in its favor; Sodium Laureth Sulfate, Fragrance (Parfum), 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.

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Nexxus Keraphix Shampoo for Damaged Hair 13.5 oz

Nexxus
65 Fair

Analysis updated August 2026 · How Scout scores

$18.00 · 13.5 fl oz · $1.33 / fluid ounce
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At a glance

Beneficial ingredients 5
Harmful ingredients 6
Owned by Unilever
Category Shampoo
Summary

This shampoo contains beneficial ingredients like collagen amino acids, hydrolyzed elastin, and hydrolyzed keratin, which help strengthen and repair damaged hair. However, it also includes sodium laureth sulfate, a harsher surfactant that can strip natural oils, and sodium chloride, which may dry out the hair and scalp. The presence of synthetic fragrance adds to the concerns, as it can cause irritation or allergic reactions.

Key ingredients 27

Collagen Amino Acids
Good

Collagen Amino Acids are used for their conditioning and strengthening properties. They help to improve the texture and appearance of hair. They are beneficial for damaged hair as they can help to repair and strengthen it.

Risks

There are no significant risks associated with collagen amino acids in shampoo.

Benefits

They help to strengthen and condition the hair, improving its overall health.

Hydrolyzed Elastin
Good

Hydrolyzed Elastin is used for its conditioning and strengthening properties. It helps to improve the elasticity and resilience of hair. It is beneficial for damaged hair as it can help to repair and strengthen it.

Risks

There are no significant risks associated with hydrolyzed elastin in shampoo.

Benefits

It helps to improve the elasticity and strength of the hair.

Hydrolyzed Keratin
Good

Hydrolyzed Keratin is a protein that helps to strengthen and repair damaged hair. It is known for its ability to penetrate the hair shaft and improve hair structure. It is beneficial for restoring the health and appearance of damaged hair.

Risks

There are no significant risks associated with hydrolyzed keratin in shampoo.

Benefits

It strengthens and repairs damaged hair, improving its overall health.

See more about Hydrolyzed Keratin →
Gluconolactone
Good

Beneficial ingredient — whole-food or functional value in this product class.

Risks

There are no significant risks associated with gluconolactone in shampoo.

Benefits

It helps to retain moisture and improve hair texture.

See more about Gluconolactone →
Glycerin
Good

Glycerin is a humectant that helps to attract and retain moisture in the hair. It is beneficial for maintaining hydration and preventing dryness. It is widely used in hair care products for its moisturizing properties.

Risks

There are no significant risks associated with glycerin in shampoo.

Benefits

It helps to keep the hair hydrated and prevents dryness.

See more about Glycerin →
Water (Eau)
Neutral

Water is a common solvent used in many cosmetic products. It helps to dissolve other ingredients and provides a base for the formulation. It does not have any direct benefits or risks in the context of shampoo.

Risks

There are no significant risks associated with water in shampoo.

Benefits

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

Cocamidopropyl Betaine
Neutral

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

Risks

In rare cases, it may cause allergic reactions in sensitive individuals.

Benefits

It provides gentle cleansing and helps to stabilize foam.

See more about Cocamidopropyl Betaine →
Glycol Distearate
Neutral

Glycol Distearate is used as a pearlizing agent to give shampoos a creamy appearance. It also acts as an emulsifier and thickener. It does not have significant benefits or risks in the context of hair care.

Risks

There are no significant risks associated with glycol distearate in shampoo.

Benefits

It improves the texture and appearance of the shampoo.

See more about Glycol Distearate →
Sodium Chloride
Neutral

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

Risks

It may cause dryness and irritation to the scalp.

Benefits

It helps to thicken the shampoo, improving its consistency.

See more about Sodium Chloride →
Oryza Sativa (Rice) Extract
Neutral

Oryza Sativa (Rice) Extract is used for its conditioning properties. It can help to improve the texture and appearance of hair. However, its benefits are not as pronounced as other conditioning agents.

Risks

There are no significant risks associated with rice extract in shampoo.

Benefits

It provides mild conditioning benefits to the hair.

Polyquaternium-10
Neutral

Polyquaternium-10 is a conditioning agent that helps to reduce static and improve hair manageability. It forms a film on the hair, providing a smooth feel. It is generally considered safe and effective for hair care.

Risks

There are no significant risks associated with polyquaternium-10 in shampoo.

Benefits

It improves hair manageability and reduces static.

See more about Polyquaternium-10 →
PEG-6 Caprylic/Capric Glycerides
Neutral

PEG-6 Caprylic/Capric Glycerides are used as emulsifiers and solubilizers in cosmetic formulations. They help to blend oil and water-based ingredients. They are generally considered safe for use in hair care products.

Risks

There are no significant risks associated with PEG-6 Caprylic/Capric Glycerides in shampoo.

Benefits

They help to stabilize the formulation and improve texture.

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 is generally considered safe for use in hair care products.

Risks

There are no significant risks associated with citric acid in shampoo.

Benefits

It helps to maintain the pH balance of the shampoo.

See more about Citric Acid →
PPG-9
Neutral

PPG-9 is used as a solvent and emollient in cosmetic formulations. It helps to improve the texture and spreadability of the product. It is generally considered safe for use in hair care products.

Risks

There are no significant risks associated with PPG-9 in shampoo.

Benefits

It improves the texture and spreadability of the shampoo.

PEG-150 Pentaerythrityl Tetrastearate
Neutral

PEG-150 Pentaerythrityl Tetrastearate is used as a thickening agent in cosmetic formulations. It helps to improve the texture and consistency of the product. It is generally considered safe for use in hair care products.

Risks

There are no significant risks associated with PEG-150 Pentaerythrityl Tetrastearate in shampoo.

Benefits

It helps to thicken the shampoo and improve its consistency.

See more about PEG-150 Pentaerythrityl Tetrastearate →
PPG-2 Hydroxyethyl Cocamide
Neutral

PPG-2 Hydroxyethyl Cocamide is used as a thickening and foaming agent in shampoos. It helps to improve the texture and foam quality of the product. It is generally considered safe for use in hair care products.

Risks

There are no significant risks associated with PPG-2 Hydroxyethyl Cocamide in shampoo.

Benefits

It helps to improve the texture and foam quality of the shampoo.

See more about PPG-2 Hydroxyethyl Cocamide →
Sodium Sulfate
Neutral

Sodium Sulfate is used as a filler and thickening agent in shampoos. It helps to improve the texture and consistency of the product. It is generally considered safe for use in hair care products.

Risks

There are no significant risks associated with sodium sulfate in shampoo.

Benefits

It helps to thicken the shampoo and improve its consistency.

See more about Sodium Sulfate →
Trehalose
Neutral

Trehalose is a sugar used for its moisturizing properties in cosmetic products. It helps to retain moisture and improve the texture of hair. It is generally considered safe for use in hair care products.

Risks

There are no significant risks associated with trehalose in shampoo.

Benefits

It helps to retain moisture and improve hair texture.

See more about Trehalose →
Citronellol
Neutral

Citronellol is a fragrance component used to provide a pleasant scent to cosmetic products. It is derived from natural sources such as rose and geranium oils. It is generally considered safe for use in hair care products.

Risks

It may cause irritation or allergic reactions in sensitive individuals.

Benefits

It provides a pleasant scent to the shampoo.

See more about Citronellol →
Coumarin
Neutral

Coumarin is a fragrance component used to provide a sweet scent to cosmetic products. It is derived from natural sources such as tonka beans. It is generally considered safe for use in hair care products.

Risks

It may cause irritation or allergic reactions in sensitive individuals.

Benefits

It provides a sweet scent to the shampoo.

See more about Coumarin →
Hexyl Cinnamal
Neutral

Hexyl Cinnamal is a fragrance component used to provide a floral scent to cosmetic products. It is derived from natural sources such as chamomile oil. It is generally considered safe for use in hair care products.

Risks

It may cause irritation or allergic reactions in sensitive individuals.

Benefits

It provides a floral scent to the shampoo.

See more about Hexyl Cinnamal →
Sodium Laureth Sulfate
Bad

Sodium Laureth Sulfate is a surfactant used for its cleansing and foaming properties. However, it can strip natural oils from the hair and scalp, leading to dryness. It is considered a harsher ingredient compared to more gentle surfactants.

Risks

It may cause dryness and irritation to the scalp and hair.

Benefits

It effectively cleanses the hair by removing dirt and oil.

See more about Sodium Laureth Sulfate →
Sodium Benzoate
Bad

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

Risks

There are no significant risks associated with sodium benzoate in shampoo.

Benefits

It helps to preserve the product and prevent microbial growth.

See more about Sodium Benzoate →
Cocamide MEA
Bad

Processed additive flagged under Scout's ingredient doctrine.

Risks

There are no significant risks associated with cocamide MEA in shampoo.

Benefits

It helps to stabilize the formulation and improve foam quality.

See more about Cocamide MEA →
Disodium EDTA
Bad

Processed additive flagged under Scout's ingredient doctrine.

Risks

There are no significant risks associated with disodium EDTA in shampoo.

Benefits

It helps to stabilize the formulation and improve product effectiveness.

See more about Disodium EDTA →
Linalool
Bad

Processed additive flagged under Scout's ingredient doctrine.

Risks

It may cause irritation or allergic reactions in sensitive individuals.

Benefits

It provides a floral scent to the shampoo.

See more about Linalool →
Fragrance (Parfum)
Very Bad

Fragrance (Parfum) is used to provide a pleasant scent to the product. However, it can contain a mixture of chemicals that may cause irritation or allergic reactions. It is often criticized for its lack of transparency regarding the specific chemicals used.

Risks

It may cause irritation or allergic reactions in sensitive individuals.

Benefits

It provides a pleasant scent to the shampoo.

See more about Fragrance (Parfum) →

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