Hyaluron Pure 72H Rehydrating Conditioner by L'Oréal — product pack

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L'Oréal Paris

Brand owned by L'Oréal (France) · about the brand

Hyaluron Pure 72H Rehydrating Conditioner

haircare
7.1 Favorable

Decode Label Safety Score

Ingredient safety · 55% 6.8/10
Processing · 15% 7.0/10
Marketing · 30% 7.7/10
How we got 7.1 Show
Weighted score 7.1/10
Also flagged
Undisclosed fragrance (allergens not named)
Final score 7.1/10 · Favorable

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

This rinse-off conditioner provides conditioning benefits with a blend of emollients and anti-static agents. The primary concern is the presence of undisclosed 'Fragrance', which can contain numerous allergens relevant to individuals with sensitive skin or fragrance allergies. While several beneficial ingredients like Salicylic Acid and Chlorhexidine Digluconate are listed, their trace amounts mean they are not counted as a formulation strength primary function. The product is generally suitable for most users, but those with fragrance sensitivities should exercise caution.

Rinse-off conditioner with undisclosed fragrance and synthetic colours

This conditioner uses a mix of conditioning agents and emollients to soften hair. It contains 'Fragrance', which means the specific scent chemicals are not disclosed and could be a concern for people with fragrance allergies. Synthetic colourants are also present, which are generally safe for topical use but may be avoided by some consumers.

Okay for: Most adults without specific sensitivities

Personal check · free

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Just checking whether the product is safe? The analysis above is yours, no account needed. To know if it is safe for you, your father or your child, add a profile and we check this label against them.

  • 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.

Carcinogen & Contaminant Risk Significant concern · 2.5/10

Triggered by CI 17200, CI 42090 — a synthetic colour on our aromatic-amine watch list (impurity risk). A colour-quality caution, not a finding that this product contains a carcinogen.

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
Label Transparency No concern identified · 8.0/10

Why the score is capped

Undisclosed fragrance (allergens not named)

Rule PC-CAP-06

What's good

Contains multiple conditioning agents (Quaternium-87, Dimethicone, Behentrimonium Chloride) for hair manageability and shine.

Includes humectants like Glycerin and Sodium Hyaluronate for moisture retention.

Formulated with fatty alcohols (Cetearyl Alcohol) for emollient properties.

Watch out for

Undisclosed 'Fragrance' can be problematic for individuals with fragrance sensitivities or allergies.

Contains synthetic colourants (CI 17200, CI 42090) which some consumers prefer to avoid.

Ethoxylated ingredients may contain trace amounts of 1,4-dioxane (a manufacturing by-product that IARC classifies as possibly carcinogenic, Group 2B), though levels in finished cosmetics are typically regulated to be safe.

Propylene Glycol — humectant/solvent - occasional skin irritant at higher concentration.

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.

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 →

Salicylic Acid

Salicylic acid is a keratolytic acne and dandruff active. EU rules cap it (3% in leave-on products) and bar it from leave-on products for children under three years except shampoos, because it is absorbed through the skin and is chemically related to aspirin. Dermatologists commonly advise limiting high-strength use in pregnancy.

Regulatory & scientific authority Source: EU Regulation 1223/2009 Annex III (conditions of use); SCCS opinion on salicylic acid

Salicylic Acid: 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 →

Synthetic Cosmetic Colourants (CI)

These Colour Index (CI) numbers are colourants on the EU list of permitted cosmetic colours, each with conditions on where it may be used (for example, some are allowed only in products that do not stay in contact with mucous membranes). A listed colour in a product used as directed is not a finding of harm; the colour serves only to colour the product, and this is information for anyone who prefers to avoid synthetic dyes.

Regulatory & scientific authority Source: EU Regulation 1223/2009 Annex IV (permitted colourants); SCCS opinions on colourants

Synthetic Cosmetic Colourants (CI): 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 →

Propylene Glycol (E1520)

Propylene glycol is a widely used humectant and solvent considered safe at normal levels. It can irritate or sensitise a minority of people, mainly in leave-on products on damaged or eczema-prone skin.

Peer-reviewed research Source: Cosmetic Ingredient Review; contact-dermatitis literature

Propylene Glycol: regulation, sources and other products →

Decode Label Analysis

Contains 'Fragrance', an undisclosed mix of chemicals that can be a common allergen for sensitive individuals. EU cosmetic regulations require specific declaration of known fragrance allergens above certain thresholds, which are not provided here.

Ethoxylated ingredients (Steareth-6, PEG-150/Decyl Alcohol/SMDI Copolymer, PEG-100 Stearate, Trideceth-10, Trideceth-3) may carry a 1,4-dioxane residue, a manufacturing impurity classified by IARC as Group 2B (possibly carcinogenic to humans). The EU SCCS considers 1,4-dioxane at or below 10 ppm in a finished cosmetic safe, and this concern is primarily for systemic exposure, which is minimal in a rinse-off product.

Phenoxyethanol is a common preservative capped at 1%; the French regulator advises caution for children under 3 years old. In a rinse-off product, exposure is limited.

Salicylic Acid is an exfoliating active not recommended for leave-on use on children under 3 and should be used with caution during pregnancy. As a trace ingredient in a rinse-off product, these concerns are significantly mitigated.

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.

?
"72H REHYDRATING CONDITIONER" Can't verify

The claim of '72H Rehydrating' is a performance claim that cannot be verified from the ingredient list.

?
"Rehydrates lengths" Can't verify

The claim of 'Rehydrates lengths' is a performance claim that cannot be verified from the ingredient list.

?
"No weighdown" Can't verify

The claim of 'No weighdown' is a performance claim that cannot be verified from the ingredient list.

?
"OILY ROOTS & DEHYDRATED LENGTHS" Can't verify

This claim describes the target hair type for the product, which cannot be verified from the ingredient list.

✓
"HYALURON PURE" Checks out

Sodium Hyaluronate is listed in the ingredients.

SODIUM HYALURONATE
✓
"SALICYLIC + HYALURONIC ACIDS" Checks out

Salicylic Acid and Sodium Hyaluronate (a form of hyaluronic acid) are listed in the ingredients.

SALICYLIC ACID SODIUM HYALURONATE

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
    AQUA/WATER
  • 2.
    Glycerin
    GLYCERIN
  • 3.
    Cetearyl Alcohol
    CETEARYL ALCOHOL
  • 4.
    Distarch Phosphate
    DISTARCH PHOSPHATE
  • 5.
    Quaternium-87
    QUATERNIUM-87
  • 6.
    Dimethicone
    DIMETHICONE
  • 7.
    CI 17200 synthetic colour
    CI 17200/RED 33
  • 8.
    CI 42090 synthetic colour
    CI 42090/BLUE 1
  • 9.
    Lactic Acid
    LACTIC ACID
  • 10.
    Sodium Hyaluronate
    SODIUM HYALURONATE
  • 11.
    Phenoxyethanol
    PHENOXYETHANOL
  • 12.
    Steareth-6
    STEARETH-6
  • 13.
    Acetic Acid
    ACETIC ACID
  • 14.
    PEG-150/Decyl Alcohol/SMDI Copolymer
    PEG-150/DECYL ALCOHOL/SMDI COPOLYMER
  • 15.
    PEG-100 Stearate
    PEG-100 STEARATE
  • 16.
    Behentrimonium Chloride
    BEHENTRIMONIUM CHLORIDE
  • 17.
    Trideceth-10
    TRIDECETH-10
  • 18.
    Trideceth-3
    TRIDECETH-3
  • 19.
    Chlorhexidine Digluconate
    CHLORHEXIDINE DIGLUCONATE
  • 20.
    Salicylic Acid
    SALICYLIC ACID
  • 21.
    Propylene Glycol
    PROPYLENE GLYCOL
  • 22.
    Amodimethicone
    AMODIMETHICONE
  • 23.
    Isopropyl Alcohol
    ISOPROPYL ALCOHOL
  • 24.
    Fragrance undisclosed fragrance
    PARFUM/FRAGRANCE (FIL Z70032242/2)

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

Compare with other conditioner 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.

View all →

What are the ingredients in Hyaluron Pure 72H Rehydrating Conditioner?

The label of Hyaluron Pure 72H Rehydrating Conditioner lists 24 ingredients, in label order: Water, Glycerin, CETEARYL ALCOHOL, Distarch Phosphate, Quaternium-87, Dimethicone, CI 17200, CI 42090, Lactic Acid, Sodium Hyaluronate, Phenoxyethanol, Steareth-6, Acetic Acid, PEG-150/Decyl Alcohol/SMDI Copolymer, PEG-100 Stearate, Behentrimonium Chloride, Trideceth-10, Trideceth-3, Chlorhexidine Digluconate, Salicylic Acid, Propylene Glycol, Amodimethicone, Isopropyl Alcohol, Fragrance. Flagged by the analysis: Fragrance, Phenoxyethanol, CI 17200, CI 42090, Salicylic Acid and 2 more.

Is Hyaluron Pure 72H Rehydrating Conditioner safe to use?

Hyaluron Pure 72H Rehydrating Conditioner scores 7.1/10 on Decode Label (Favorable). This conditioner uses a mix of conditioning agents and emollients to soften hair. It contains 'Fragrance', which means the specific scent chemicals are not disclosed and could be a concern for people with fragrance allergies. Synthetic colourants are also present, which are generally safe for topical use but may be avoided by some consumers.

Why does Hyaluron Pure 72H Rehydrating Conditioner score 7.1/10?

Flagged in the score: Undisclosed 'Fragrance' can be problematic for individuals with fragrance sensitivities or allergies. Contains synthetic colourants (CI 17200, CI 42090) which some consumers prefer to avoid. Also noted: Ethoxylated ingredients may contain trace amounts of 1,4-dioxane (a manufacturing by-product that IARC classifies as possibly carcinogenic, Group 2B), though levels in finished cosmetics are typically regulated to be safe.

Who should avoid Hyaluron Pure 72H Rehydrating Conditioner?

The points the analysis notes are most relevant to: Sensitive skin or fragrance allergy; Avoiding synthetic colourants.

Does Hyaluron Pure 72H Rehydrating Conditioner 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. This matters mainly if you have sensitive skin or a known fragrance allergy.

Are the claims on the Hyaluron Pure 72H Rehydrating Conditioner pack accurate?

Decode Label checked 6 claims against the ingredient list and nutrition panel. "72H REHYDRATING CONDITIONER" — can't be verified from the label. "Rehydrates lengths" — can't be verified from the label. "No weighdown" — 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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