Getting you a comprehensive analysis of the product
Reading every ingredient in the formula…
Getting you a comprehensive analysis of the product
Reading every ingredient in the formula…
Join The Clean Sheet™ community
Science-backed beauty tips, ingredient alerts, and early access. Straight to your WhatsApp.
Join for free →
Phitku's Alum Roll-On offers a straightforward, natural approach to odor control, but its ambitious performance claims would benefit from transparent, finished-product clinical substantiation.
₹699 • Analysed 23 October 2026
This Phitku Alum Roll-On is positioned as a natural and chemical-free alternative to conventional deodorants, which resonates with a growing segment of Indian consumers. Its primary ingredient, alum (fitkari), is a traditional household remedy, lending it familiarity and trust. At ₹699, it is priced at the premium end for a deodorant in the Indian market, but the brand emphasizes its long-lasting nature and eco-friendliness as value propositions. While claims like '99% reduction in bacteria' and '24 hrs smell free' are ambitious and lack specific clinical substantiation, the core functional claims of odor neutralization and suitability for sensitive skin are well-aligned with alum's known properties. The 'skin brightening' claim, while common for alum in traditional use, is less scientifically robust for significant pigment change. The ASCI concerns highlight the need for brands to back quantified and comparative claims with transparent, finished-product clinical data.
Independent and free. The Clean Sheet takes no money from brands to analyse, rank, or approve a product. This is a web evidence analysis, not a Clean Sheet certification. We checked the ingredient list, publicly available test reports, marketing claims, and formula logic using only public information available at the time of analysis.
Alum has astringent and gentle exfoliating properties that may help reduce pigmentation and uneven skin tone over time. However, scientific evidence specifically for skin whitening is limited, with some sources suggesting perceived effects are due to temporary tightening rather than actual pigment change.
Brand states 'Dermatologically tested' and 'Gentle on sensitive skin'. Alum is generally considered gentle, though aluminum sensitivity is a known, albeit rare, concern.
While alum is a natural mineral, '100% Non-Toxic' is an absolute claim that is difficult to prove definitively for any substance. It is generally considered safe for topical use.
This is a common characteristic of crystal deodorants, and user reviews often confirm this. The product description also states 'leaves no residue or stickiness'.
Potassium alum is well-documented for its antibacterial and antiseptic properties, creating an acidic environment hostile to odor-causing bacteria.
This claim is plausible due to the product being fragrance-free and neutralizing body odor, allowing applied perfumes to be more prominent. No direct evidence found, but logical inference.
This is a quantified clinical claim. While alum has antibacterial properties, no specific finished-product clinical study with methodology, sample size, and results to support the '99%' reduction is publicly visible. The brand states 'Clinically proven to reduce odour-causing bacteria' generally, but without details.
The brand states 'Dermatologically tested' on its website. However, no details of the testing (e.g., type of test, sample size, results) are provided.
What we could confirm from public sources and the verified ingredient list.
Ingredient Safety & Toxicity
Brand describes ingredient origin in its claims.
Irritation & Allergen Risk
Brand claims dermatologist testing (claim stated; underlying report not seen).
Ingredient Transparency
The full INCI list is publicly available, not just hero ingredients.
Active percentages are disclosed for the hero ingredient(s).
Ingredients are listed in the descending order required by India Cosmetics Rules 2020.
Standards & Compliance
Usage warnings and directions are clear on the label.
Sustainability & Ethics
Brand makes a cruelty-free / PETA claim.
Screened against a curated reference set that we are continuing to verify and expand, so “clear” means no flag from that set, not a guarantee. Not a substitute for a full toxicological or clinical assessment.
| Ingredient |
|---|
Potassium Sulfate (Alum) |
Natural |
INCI order as declared on packaging. Position reflects approximate concentration (high to low).
No prohibited or restricted ingredients identified
No prohibited or restricted ingredients identified
No prohibited or restricted ingredients identified
No prohibited or restricted ingredients identified
No prohibited or restricted ingredients identified
No prohibited or restricted ingredients identified
No prohibited or restricted ingredients identified
No prohibited or restricted ingredients identified
No prohibited or restricted ingredients identified
No prohibited or restricted ingredients identified
Flags are based on publicly available INCI only. Not a substitute for full regulatory compliance assessment.
“100% Non-Toxic”
Absolute claim without specific, verifiable evidence of 'non-toxicity' in all contexts.
“It helps reduce odour-causing bacteria by up to 99%”
Quantified claim ('up to 99%') without publicly disclosed, verifiable clinical study details.
“Kills Bacteria”
Absolute claim ('Kills Bacteria') without specific finished-product clinical proof of bactericidal action.
“Smell free underarms for 24 hrs”
Quantified time-bound claim ('24 hrs') without publicly disclosed, verifiable clinical study details.
“Lasts 3x Longer than regular deodorants”
Comparative and quantified claim ('3x Longer') without publicly disclosed, verifiable comparative study details.
Alum has astringent and gentle exfoliating properties that may help reduce pigmentation and uneven skin tone over time. However, scientific evidence specifically for skin whitening is limited, with some sources suggesting perceived effects are due to temporary tightening rather than actual pigment change.
Mentioned only
Brand states 'Dermatologically tested' and 'Gentle on sensitive skin'. Alum is generally considered gentle, though aluminum sensitivity is a known, albeit rare, concern.
Evidence visible
While alum is a natural mineral, '100% Non-Toxic' is an absolute claim that is difficult to prove definitively for any substance. It is generally considered safe for topical use.
Missing
This is a common characteristic of crystal deodorants, and user reviews often confirm this. The product description also states 'leaves no residue or stickiness'.
Evidence visible
Potassium alum is well-documented for its antibacterial and antiseptic properties, creating an acidic environment hostile to odor-causing bacteria.
Mentioned only
This claim is plausible due to the product being fragrance-free and neutralizing body odor, allowing applied perfumes to be more prominent. No direct evidence found, but logical inference.
Missing
This is a quantified clinical claim. While alum has antibacterial properties, no specific finished-product clinical study with methodology, sample size, and results to support the '99%' reduction is publicly visible. The brand states 'Clinically proven to reduce odour-causing bacteria' generally, but without details.
Missing
The brand states 'Dermatologically tested' on its website. However, no details of the testing (e.g., type of test, sample size, results) are provided.
Evidence visible
The INCI lists only Potassium Sulphate (Alum), which inherently supports these 'free-from' claims.
Evidence visible
Given the simple, single-ingredient formula (Potassium Alum), this is a plausible claim for a deodorant, especially being fragrance-free and dermatologically tested.
Evidence visible
Public evidence the brand could provide to close verification gaps
This analysis evaluates brand claims against visible evidence and formula logic. It does not replace a full ingredient safety analysis or a clinical product test. Results vary by individual, and the consumer should always read the full ingredient list and follow usage guidance.
Are you the brand? If you have published test data or want to request a re-analysis, write to us at hello@thecleansheet.in.
