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    Research 10 of 1000+

    1. Regulation of immune response genes in the skin of allergic and clinically tolerant individuals exposed to p‐phenylenediamine Allergy · 2024 · 4 citations
    2. P-Phenylenediamine-Induced Angioedema-like Facies: A Case Report and Review of Pathomechanisms Indian Dermatology Online Journal · 2026
    3. Severe Hair Loss of the Scalp due to a Hair Dye Containing Para phenylenediamine ISRN Dermatology (Print) · 2011 · 20 citations
    4. Chemical Leukoderma from Hair Dye Containing para-Phenylenediamine Dermatitis · 2012 · 9 citations
    5. Implication of microRNA regulation in para-phenylenediamine-induced cell death and senescence in normal human hair dermal papilla cells Molecular Medicine Reports · 2015 · 8 citations
    6. Patch tests with commercial hair dye products in patients with allergic contact dermatitis to para-phenylenediamine Indian Journal of Dermatology Venereology and Leprology · 2016 · 6 citations
    7. Geranyl Acetate Attenuates Para-phenylenediamine-induced Cytotoxicity, DNA Damage, Apoptosis, and Inflammation in HaCaT Keratinocytes Iranian journal of pharmaceutical research · 2025 · 1 citations
    8. Long-term toxicity studies on oxidation hair dyes Food and Cosmetics Toxicology · 1975 · 79 citations
    9. Metal-Chelation-Assisted Deposition of Polydopamine on Human Hair: A Ready-to-Use Eumelanin-Based Hair Dyeing Methodology ACS biomaterials science & engineering · 2017 · 63 citations
    10. Patch testing with hair cosmetic series in Europe: a critical review and recommendation Contact Dermatitis · 2015 · 47 citations
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    Community 5 of 10

    1. allergen of the year award list(2000-2023).most allergens are in every day shampoos and skin care. Reddit · 5 Jan 2023
    2. Topical finasteride (P-3074) inhibits scalp DHT up to 70% Reddit · 22 Feb 2026
    3. P-1075: a BETTER version of Minoxidil Reddit · 15 Oct 2025
    4. How does Pedro P have a full head of hear. I'm losing mine and will be bald within 1 year. I'm not even 30yo. Reddit · 22 Oct 2025
    5. Still losing on fin 5x & dut 2x p/w (1.5 years in) - next steps advice Reddit · 5 Jan 2025
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    Learn 1 of 7

    1. Transcutol P
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