2 in 1 Anti-Dandruff Shampoo + Conditioner Active Protect by Head & Shoulders — product pack

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Head & Shoulders

Brand owned by Procter & Gamble (United States) · about the brand

2 in 1 Anti-Dandruff Shampoo + Conditioner Active Protect

haircare
3.2 Concerning

Decode Label Safety Score

Ingredient safety · 55% 0.6/10
Processing · 15% 3.5/10
Marketing · 30% 7.8/10
How we got 3.2 Show
Weighted score 3.2/10
Also flagged
Contains an isothiazolinone contact sensitizer — MCI/MI (EU SCCS) Primary surfactant with recognised irritation potential (EU SCCS) Undisclosed fragrance (allergens not named)
Final score 3.2/10 · Concerning

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

The score is capped for a specific safety reason, set out below. This shampoo contains strong cleansing agents like Sodium Lauryl Sulfate and Sodium Laureth Sulfate, which can be irritating for individuals with sensitive skin or scalp. The presence of Methylchloroisothiazolinone and Methylisothiazolinone, even in trace amounts, is a significant concern due to their classification as potent contact sensitizers by the EU SCCS, making this product unsuitable for those with a history of contact allergies. The undisclosed 'Fragrance' also poses a risk for individuals with fragrance sensitivities. While it includes an anti-dandruff active (Piroctone Olamine), the formulation's primary concern is its potential for irritation and sensitization.

Contains strong irritant surfactants and potent contact sensitizers

The score is capped for a specific safety reason, set out below. This shampoo uses harsh cleansing agents that can irritate sensitive skin and scalp. It also contains preservatives known to be potent contact sensitizers, which are restricted in leave-on products in the EU. The product's undisclosed fragrance blend may also trigger allergies in sensitive individuals.

Consider this product carefully if you are

  • Avoiding certain additives or colours — Sodium Lauryl Sulfate and Methylchloroisothiazolinone are declared.

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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.

Preservative Safety Significant concern · 2.0/10
Carcinogen & Contaminant Risk Significant concern · 2.5/10

Triggered by CI 42090, CI 17200 — 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
Harsh Surfactants & Irritants Moderate concern · 4.0/10
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

Contains an isothiazolinone contact sensitizer — MCI/MI (EU SCCS)

Rule PC-CAP-15

Primary surfactant with recognised irritation potential (EU SCCS)

Rule PC-CAP-05

Undisclosed fragrance (allergens not named)

Rule PC-CAP-06

What's good

Contains Piroctone Olamine, an effective anti-dandruff agent.

Watch out for

High potential for skin and scalp irritation due to strong surfactants (Sodium Lauryl Sulfate, Sodium Laureth Sulfate).

Risk of contact sensitization from Methylchloroisothiazolinone and Methylisothiazolinone.

Potential for allergic reactions due to undisclosed fragrance ingredients.

CI 42090 — permitted cosmetic colourant - the EU limits where on the body each may be used.

CI 17200 — permitted cosmetic colourant - the EU limits where on the body each may be used.

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.

Methylisothiazolinone

MI and its chlorinated partner MCI are preservatives and recognised contact sensitisers. After MI replaced parabens in many products, European dermatology clinics recorded a sharp rise in contact allergy to it. Contact allergy, once acquired, is usually long-lasting, so people already sensitised to MI are advised to avoid it. EU rules ban MI from leave-on cosmetics (since 2017) and limit it to 15 ppm in rinse-off products. Whether a particular product causes a reaction depends on the person, the concentration and the contact time, which the label alone cannot show.

Regulatory & scientific authority Source: EU Regulation 2017/1224; SCCS Opinion SCCS/1521/13; British Journal of Dermatology (MI epidemic)

Methylisothiazolinone: regulation, sources and other products →

Sodium Lauryl Sulfate

SLS is an aggressive surfactant that strips skin of its natural oils, disrupts the skin barrier, and can cause contact dermatitis, canker sores, and eye irritation. People with eczema, psoriasis, or sensitive skin should avoid SLS-containing products. It is particularly harsh in oral care products where it contacts mucous membranes.

Regulatory & scientific authority Source: SCCS; American Academy of Dermatology; Herlofson & Barkvoll 1996

Sodium Lauryl Sulfate: regulation, sources and other products →

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 →

Sodium Laureth Sulfate

SLES is a cleansing agent that is milder than SLS but can still irritate very sensitive or compromised skin. Separately, because it is made by ethoxylation, it may carry a residue of 1,4-dioxane, which IARC classifies as possibly carcinogenic to humans (Group 2B). The ingredient list cannot show whether any is present or how much. The EU SCCS considers 1,4-dioxane at or below 10 ppm in a finished cosmetic to be safe, and manufacturers reduce it by vacuum stripping.

Regulatory & scientific authority Source: FDA; EU SCCS

Sodium Laureth Sulfate: 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 →

Decode Label Analysis

Contains Methylchloroisothiazolinone and Methylisothiazolinone, potent contact sensitizers restricted in EU rinse-off cosmetics and prohibited in leave-on products (EU Reg. 2016/1198).

Contains Sodium Lauryl Sulfate, a strong skin and mucous membrane irritant.

Contains Sodium Laureth Sulfate, which can irritate sensitive skin and may carry a 1,4-dioxane impurity (IARC Group 2B, possibly carcinogenic to humans), though SCCS considers ≤10 ppm safe in finished products.

Contains undisclosed 'Fragrance', a common source of allergens for sensitive individuals.

Combined Effects interactions

Sodium Laureth Sulfate Sodium Lauryl Sulfate

The combination of two strong anionic surfactants can increase the overall irritation potential for skin and scalp, leading to dryness or sensitivity.

Fragrance Methylchloroisothiazolinone Methylisothiazolinone

The presence of undisclosed fragrance allergens alongside potent contact sensitizers (isothiazolinones) significantly increases the risk of allergic reactions and sensitization for susceptible individuals.

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.

ⓘ
"2 in 1" Packaging / category descriptor

This describes the product’s packaging or its category, not a testable attribute of the food itself — so it’s classified separately rather than flagged as a doubtful claim.

?
"Active Protect" Can't verify

The term 'Active Protect' is a marketing phrase that cannot be verified or disproven from the ingredient list.

?
"Dandruff 100% Free" Can't verify

The claim 'Dandruff 100% Free' is a performance claim that cannot be verified from the ingredient list alone.

✓
"Anti-Dandruff" Checks out

The ingredient Piroctone Olamine is known for its anti-dandruff properties.

Piroctone Olamine
✓
"Shampoo + Conditioner" Checks out

The ingredient list contains both cleansing agents (Sodium Laureth Sulfate, Sodium Lauryl Sulfate) typical of shampoo and conditioning agents (Guar Hydroxypropyltrimonium Chloride, Dimethicone) typical of conditioner.

Sodium Laureth Sulfate Sodium Lauryl Sulfate Guar Hydroxypropyltrimonium Chloride Dimethicone

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
  • 2.
    Sodium Laureth Sulfate
  • 3.
    Sodium Lauryl Sulfate
  • 4.
    Sodium Chloride
  • 5.
    Glycol Distearate
  • 6.
    Zinc Carbonate
  • 7.
    Sodium Xylenesulfonate
  • 8.
    Dimethicone
  • 9.
    Piroctone Olamine
  • 10.
    Citric Acid
  • 11.
    Sodium Benzoate
  • 12.
    Guar Hydroxypropyltrimonium Chloride
  • 13.
    Fragrance undisclosed fragrance
  • 14.
    Methylchloroisothiazolinone
  • 15.
    Methylisothiazolinone
  • 16.
    CI 42090 synthetic colour
  • 17.
    CI 17200 synthetic colour

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

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.

View all →

What are the ingredients in 2 in 1 Anti-Dandruff Shampoo + Conditioner Active Protect?

The label of 2 in 1 Anti-Dandruff Shampoo + Conditioner Active Protect lists 17 ingredients, in label order: Water, Sodium Laureth Sulfate, Sodium Lauryl Sulfate, Sodium Chloride, Glycol Distearate, Zinc Carbonate, Sodium Xylenesulfonate, Dimethicone, Piroctone Olamine, Citric Acid, Sodium Benzoate, Guar Hydroxypropyltrimonium Chloride, Fragrance, Methylchloroisothiazolinone, Methylisothiazolinone, CI 42090, CI 17200. Flagged by the analysis: Methylchloroisothiazolinone, Methylisothiazolinone, Sodium Lauryl Sulfate, Sodium Laureth Sulfate, Fragrance and 2 more.

Is 2 in 1 Anti-Dandruff Shampoo + Conditioner Active Protect safe to use?

2 in 1 Anti-Dandruff Shampoo + Conditioner Active Protect scores 3.2/10 on Decode Label (Concerning). The score is capped for a specific safety reason, set out below. This shampoo uses harsh cleansing agents that can irritate sensitive skin and scalp. It also contains preservatives known to be potent contact sensitizers, which are restricted in leave-on products in the EU. The product's undisclosed fragrance blend may also trigger allergies in sensitive individuals.

Why does 2 in 1 Anti-Dandruff Shampoo + Conditioner Active Protect score 3.2/10?

Flagged in the score: High potential for skin and scalp irritation due to strong surfactants (Sodium Lauryl Sulfate, Sodium Laureth Sulfate). Risk of contact sensitization from Methylchloroisothiazolinone and Methylisothiazolinone. Potential for allergic reactions due to undisclosed fragrance ingredients.

Who should avoid 2 in 1 Anti-Dandruff Shampoo + Conditioner Active Protect?

The points the analysis notes are most relevant to: Sensitive skin or scalp; Contact allergies to isothiazolinones; Fragrance allergies; Eczema or dermatitis.

Does 2 in 1 Anti-Dandruff Shampoo + Conditioner Active Protect 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 2 in 1 Anti-Dandruff Shampoo + Conditioner Active Protect pack accurate?

Decode Label checked 4 claims against the ingredient list and nutrition panel. "Active Protect" — can't be verified from the label. "Dandruff 100% Free" — 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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