Promend Repair Keratinizing Shampoo by NEXXUS — product pack

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NEXXUS

Promend Repair Keratinizing Shampoo

haircare
7.4 Favorable

Decode Label Safety Score

Ingredient safety · 55% 8.3/10
Processing · 15% 3.5/10
Marketing · 30% 7.9/10
How we got 7.4 Show
Weighted score 7.4/10
Final score 7.4/10 · Favorable

Methodology v3.1 (updated 8 Oct 2026) — what changed

This shampoo offers a mild cleansing experience with a blend of gentle surfactants. However, the presence of 'Fragrance' without specific disclosure of its components, along with declared fragrance allergens like Benzyl Salicylate, Coumarin, and Linalool, means it may not be suitable for individuals with sensitive skin or fragrance allergies. The formulation also includes Phenoxyethanol, a common preservative that some consumers prefer to avoid, especially for young children.

Mild cleansing shampoo with undisclosed fragrance and common allergens

This shampoo uses gentle cleansing agents, making it suitable for most hair types. However, it contains an undisclosed 'Fragrance' blend, which can be a concern for those with fragrance sensitivities or allergies. Additionally, specific fragrance allergens like Benzyl Salicylate, Coumarin, and Linalool are listed, which are relevant for individuals prone to contact dermatitis. The preservative Phenoxyethanol is also present, which some consumers choose to limit.

Okay for: Adults without fragrance sensitivities Those seeking mild cleansing

Personal check · free

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  • Ingredients you avoid. Sulphates, parabens, silicones, fragrance, drying alcohol, PEGs and more.
  • Sensitivities. Sensitive skin, hormonal considerations, pregnancy.
  • Skin and hair goals. Acne, dryness, ageing, hair fall, dandruff: what the label declares for each.
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Concern breakdown What drives the score, concern by concern · score out of 10, higher = fewer concerns

Concern breakdown

Score out of 10 · higher = fewer concerns

How this product performs on each concern we check for haircare. This is a breakdown of the same evidence behind the score above — not a separate verdict.

Fragrance & Allergen Load Significant concern · 3.0/10
Preservative Safety Minor concern · 7.0/10
Harsh Surfactants & Irritants No concern identified · 8.0/10
Irritant & Sensitising Actives No concern identified · 8.0/10
Endocrine-Active Ingredients No concern identified · 8.0/10
Carcinogen & Contaminant Risk No concern identified · 8.0/10
Label Transparency No concern identified · 8.0/10

What's good

Uses mild, sulfate-free surfactants (Sodium Lauroyl Isethionate, Sodium Isethionate, Sodium Methyl Lauroyl Taurate, Sodium Methyltaurate) for gentle cleansing.

Includes conditioning agents like Polyquaternium 10 and Stearamidopropyl Dimethylamine for hair manageability.

Watch out for

Undisclosed 'Fragrance' blend, which can contain numerous potential allergens.

Presence of declared fragrance allergens (Benzyl Salicylate, Coumarin, Linalool) that may trigger reactions in sensitive individuals.

Contains Phenoxyethanol, a preservative some consumers prefer to avoid, particularly for young children.

Cocamidopropyl Betaine, while generally mild, is a known contact allergen for a subgroup of users.

PEG-45M — ethoxylated ingredient - quality depends on removal of manufacturing impurities.

Disodium EDTA — disodium EDTA is a chelating agent that keeps a product stable and clear. It has been flagged in some studies for potential endocrine-disrupting properties; regulatory consensus is not yet established, so it is noted as a low-level concern rather than a confirmed hazard.

Ingredient Concerns safety database

Sources cited below may be Indian (FSSAI) or international (EU, US, WHO, IARC) — an international classification or law is evidence, not an Indian regulatory finding.

Sodium Benzoate (E211)

Benzoates are permitted preservatives with an established acceptable daily intake. Two documented concerns: in acidic drinks that also contain ascorbic acid (vitamin C) they can slowly form small amounts of benzene, especially with heat and light (US FDA beverage survey, 2006); and sodium benzoate was one of the additives in the Southampton study mixtures associated with hyperactivity in children. It can also trigger reactions in some people with asthma or urticaria.

Regulatory & scientific authority Source: EFSA re-evaluation of benzoic acid and benzoates (2016); US FDA benzene-in-beverages survey (2006); McCann et al., Lancet 2007

Sodium Benzoate: regulation, sources and other products →

Fragrance Allergens (EU-listed)

These are individual fragrance components that are known contact allergens. EU rules require them to be named on the label when present above 0.001% (leave-on) or 0.01% (rinse-off), because "parfum" alone would hide them. Limonene and linalool are especially common and become more allergenic as they oxidise on exposure to air. This is a risk for people who are sensitised, not a general-population hazard.

Regulatory & scientific authority Source: EU Regulation 2023/1545 (extended fragrance-allergen labelling); SCCS opinions on fragrance allergens

Fragrance Allergens (EU-listed): regulation, sources and other products →

Phenoxyethanol

Phenoxyethanol is the most widely used paraben-free preservative. The EU limits it to 1% in cosmetics (SCCS has confirmed this is safe for adults), and the French regulator ANSM advised in 2012 against leave-on products containing it for the nappy area of children under three and recommended a lower concentration for them. It can irritate sensitive skin.

Regulatory & scientific authority Source: EU Regulation 1223/2009 Annex V (max 1.0%); SCCS opinion SCCS/1575/16; ANSM recommendation (2012)

Phenoxyethanol: regulation, sources and other products →

Fragrance

"Fragrance" or "parfum" is a catch-all term that can conceal a blend of hundreds of undisclosed chemicals, including known allergens, sensitisers, and potential endocrine disruptors. The EU now mandates disclosure of 82 specific fragrance allergens. People with fragrance sensitivity, asthma, or contact dermatitis should prefer fragrance-free products.

Regulatory & scientific authority Source: EU Regulation 2023/1545; IFRA

Fragrance: regulation, sources and other products →

Cocamidopropyl Betaine

Cocamidopropyl betaine is the usual "gentle" co-surfactant in shampoos, face washes and baby washes. It was named Allergen of the Year by the American Contact Dermatitis Society in 2004; the reactions are attributed mainly to impurities (amidoamine, DMAPA) and are uncommon, but it is a common cause of surfactant allergy in people with eczema.

Peer-reviewed research Source: American Contact Dermatitis Society - Allergen of the Year 2004; contact-dermatitis literature

Cocamidopropyl Betaine: regulation, sources and other products →

Polyethylene Glycols (PEGs)

PEG ingredients are made by ethoxylation, which can leave traces of ethylene oxide (IARC Group 1) and 1,4-dioxane (IARC Group 2B) unless removed. Good manufacturing removes them, so the ingredient itself is not a hazard, but the label cannot tell you whether it was done well. PEGs should not be applied to broken skin.

Regulatory & scientific authority Source: IARC Monographs Vol. 100F (ethylene oxide) and Vol. 71 (1,4-dioxane); Cosmetic Ingredient Review

Polyethylene Glycols (PEGs): regulation, sources and other products →

Decode Label Analysis

Contains 'Fragrance' without specific disclosure of components, which is a common source of allergens. EU regulations require specific declaration of certain fragrance allergens above a threshold.

Phenoxyethanol is a common preservative; the French regulator advises caution for use in products for children under 3 years old.

Cocamidopropyl Betaine is a mild surfactant but is a recognized contact allergen for some individuals, primarily due to manufacturing impurities.

Contains declared fragrance allergens (Benzyl Salicylate, Coumarin, Linalool) which can cause sensitization in individuals with fragrance allergies or sensitive skin.

Combined Effects interactions

Sodium Benzoate Citric Acid

While Sodium Benzoate can form benzene in the presence of Vitamin C, Citric Acid is not Vitamin C. The risk of benzene formation in this rinse-off product is negligible, especially with Citric Acid listed in trace amounts.

Claim check

Front-of-pack marketing claims checked against this product's actual ingredients and nutrition. "Can't verify" means the label does not provide enough information to check the claim — it is not the same as the claim being false.

?
"PROTEIN BLEED REDUCTION" Can't verify

This nutrient figure isn’t in our database for this product yet, so we can’t check the claim against the panel — it isn’t being called false, we just don’t have the numbers on file.

PROTEIN BLEED REDUCTION
?
"TRILLION PROTEIN TRANSFUSION" Can't verify

This nutrient figure isn’t in our database for this product yet, so we can’t check the claim against the panel — it isn’t being called false, we just don’t have the numbers on file.

TRILLION PROTEIN TRANSFUSION
✓
"KERATINIZING SHAMPOO" Checks out

The ingredient list includes 'HYDROLYZED KERATIN', which supports the claim of being a keratinizing shampoo.

HYDROLYZED KERATIN

Read straight from the back-of-pack photo — quantities, sections and any disguised terms, so the small print can’t hide behind the marketing.

  • 1.
    Water
    WATER
  • 2.
    Cocamidopropyl Betaine
    COCAMPIDOPROPYL BETAINE
  • 3.
    Sodium Lauroyl Isethionate
    SODIUM LAUROYL ISETHIONATE
  • 4.
    Sodium Isethionate
    SODIUM ISETHIONATE
  • 5.
    Caprylic Acid
    CAPRYLIC ACID
  • 6.
    Capric Acid
    CAPRIC ACID
  • 7.
    Lauric Acid
    LAURIC ACID
  • 8.
    Zinc Oxide
    ZINC OXIDE
  • 9.
    Sodium Methyl Lauroyl Taurate
    SODIUM METHYL LAUROYL TAURATE
  • 10.
    Sodium Methyltaurate
    SODIUM METHYLTAURATE
  • 11.
    Fragrance undisclosed fragrance
    FRAGRANCE
  • 12.
    Sodium Chloride
    SODIUM CHLORIDE
  • 13.
    Phenoxyethanol
    PHENOXYETHANOL
  • 14.
    Glycerin
    GLYCERIN
  • 15.
    PPG-9
  • 16.
    Sodium Benzoate
    SODIUM BENZOATE
  • 17.
    Polyquaternium 10 10
    POLYQUATERNIUM 10
  • 18.
    Stearamidopropyl Dimethylamine
    STEARAMIDOPROPYL DIMETHYLAMINE
  • 19.
    Disodium EDTA
    DISODIUM EDTA
  • 20.
    PEG-45M
  • 21.
    Citric Acid
    CITRIC ACID
  • 22.
    Hydrolyzed Elastin
    HYDROLYZED ELASTIN
  • 23.
    Collagen Amino Acids
    COLLAGEN AMINO ACIDS
  • 24.
    Potassium Sorbate
    POTASSIUM SORBATE
  • 25.
    Ethylhexylglycerin
    ETHYLHEXYLGLYCERIN
  • 26.
    Hydrolyzed Keratin
    HYDROLYZED KERATIN
  • 27.
    Sodium Hydroxide
    SODIUM HYDROXIDE
  • 28.
    Benzyl Salicylate
    BENZYL SALICYLATE
  • 29.
    Coumarin
    COUMARIN
  • 30.
    Linalool
    LINALOOL

In label order — normally largest quantity first. Select a row for the full write-up and sources.

Fragrance allergens are substances EU cosmetics rules require to be named on the label (such as Limonene and Linalool). Fragrant botanicals such as essential oils are grouped with them because they can naturally contain such substances, but they are not on that list. They matter mainly for people with fragrance allergies or already-sensitive skin — not a general-population safety issue. Each named allergen takes a small deduction from the ingredient score, and a high count can cap it; fragrant botanicals take none. Naming them on the label is a transparency positive.

Compare with other shampoo products

Assessed using the same Decode Label methodology, sorted by score. Each score reflects the information available for that product at the time of assessment.

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What are the ingredients in Promend Repair Keratinizing Shampoo?

The label of Promend Repair Keratinizing Shampoo lists 30 ingredients, in label order: Water, Cocamidopropyl Betaine, Sodium Lauroyl Isethionate, SODIUM ISETHIONATE, Caprylic Acid, Capric Acid, LAURIC ACID, ZINC OXIDE, Sodium Methyl Lauroyl Taurate, Sodium Methyltaurate, Fragrance, Sodium Chloride, Phenoxyethanol, Glycerin, PPG-9, Sodium Benzoate, Polyquaternium 10, Stearamidopropyl Dimethylamine, Disodium EDTA, PEG-45M, Citric Acid, Hydrolyzed Elastin, Collagen Amino Acids, Potassium Sorbate, Ethylhexylglycerin, Hydrolyzed Keratin, Sodium Hydroxide, Benzyl Salicylate, COUMARIN, Linalool. Flagged by the analysis: Fragrance, Phenoxyethanol, Cocamidopropyl Betaine, PEG-45M, Disodium EDTA.

Is Promend Repair Keratinizing Shampoo safe to use?

Promend Repair Keratinizing Shampoo scores 7.4/10 on Decode Label (Favorable). This shampoo uses gentle cleansing agents, making it suitable for most hair types. However, it contains an undisclosed 'Fragrance' blend, which can be a concern for those with fragrance sensitivities or allergies. Additionally, specific fragrance allergens like Benzyl Salicylate, Coumarin, and Linalool are listed, which are relevant for individuals prone to contact dermatitis. The preservative Phenoxyethanol is also present, which some consumers choose to limit.

Why does Promend Repair Keratinizing Shampoo score 7.4/10?

Flagged in the score: Undisclosed 'Fragrance' blend, which can contain numerous potential allergens. Presence of declared fragrance allergens (Benzyl Salicylate, Coumarin, Linalool) that may trigger reactions in sensitive individuals. Contains Phenoxyethanol, a preservative some consumers prefer to avoid, particularly for young children.

Who should avoid Promend Repair Keratinizing Shampoo?

The points the analysis notes are most relevant to: Sensitive skin or fragrance allergies; Avoiding undisclosed fragrance blends; Avoiding Phenoxyethanol.

Does Promend Repair Keratinizing Shampoo contain allergens?

Yes — the label lists 3 fragrance allergens: Benzyl Salicylate, COUMARIN and Linalool. These matter mainly if you have sensitive skin or a known fragrance allergy.

Does Promend Repair Keratinizing Shampoo contain fragrance?

Yes — the ingredient list includes Fragrance. Fragrance is declared as a single ingredient, so the individual scent chemicals in it are not named; the label does separately list 3 fragrance allergens (Benzyl Salicylate, COUMARIN and Linalool). This matters mainly if you have sensitive skin or a known fragrance allergy.

Are the claims on the Promend Repair Keratinizing Shampoo pack accurate?

Decode Label checked 3 claims against the ingredient list and nutrition panel. "PROTEIN BLEED REDUCTION" — can't be verified from the label. "TRILLION PROTEIN TRANSFUSION" — can't be verified from the label.

Answers are generated from this product's own Decode Label analysis — the score, the ingredient list and the label claims shown above. Always check the pack itself for allergen and dietary information.

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About this analysis: Based on declared label information and available evidence. Decode Label does not independently laboratory-test products, and a score is not a regulatory determination or medical advice.

Disclaimer: Safety scores are Decode Label-generated assessments based on publicly available regulatory data (FSSAI, WHO, EFSA, IARC) and peer-reviewed research. They are not a substitute for professional medical advice, and they are not a regulatory determination, a laboratory safety certification or a medical diagnosis. Ingredient safety can vary by individual health conditions, concentration, and usage context. Decode Label is an independent information service and scores every brand by the same rules. No brand pays for or influences its score. Our founder also founded the personal-care brand Botani Bestie (see our story); its products are scored exactly like everyone else's. Data limitations: This assessment is based on the information declared on the product label and the evidence sources above — Decode Label does not independently laboratory-test this product. Ingredient concentrations, sourcing and manufacturing can vary between batches and are not always disclosed. A finding that is not shown here means it was not identified from the available label information, not that it has been ruled out.

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