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GlossaryParaphenylenediamine (PPD)

chemical in hair dyes that can cause allergic reactions

Paraphenylenediamine (PPD) is a chemical commonly used in hair dyes to achieve long-lasting color. It is known for its ability to penetrate the hair shaft and provide a natural-looking color, but it can also cause allergic reactions in some individuals, leading to skin irritation or more severe responses.

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research Nanoparticles in Hair Dyes

6 citations , January 2020 in “Elsevier eBooks”

Nanoparticles could make hair dyes safer by reducing harmful effects.

research Chemical Burns and Eyebrow Tinting: An Unusual Case

1 citations , March 2022 in “Journal of burn care & research”

Eyebrow tinting can cause chemical burns and increased awareness of its risks is needed.

research Hair Cosmetics

43 citations , January 2013 in “Indian Journal of Dermatology, Venereology and Leprology”

The article concludes that advancements in hair cosmetics require dermatologists to stay informed about products and their potential risks, including allergies and higher risks for hairdressers.

research Allergens of Permanent Hair Dyes Induce Epidermal Damage, Skin Barrier Loss, and IL-1 Alpha Increase in Epidermal In Vitro Model

12 citations , December 2017 in “Food and chemical toxicology”

Permanent hair dye mixtures can irritate and damage the skin.

research Metal Chelation Assisted Deposition of Polydopamine on Human Hair: A Ready-to-Use Eumelanin-Based Hair Dyeing Methodology

63 citations , February 2017 in “ACS biomaterials science & engineering”

Polydopamine is a safe, effective, and permanent hair dye that turns gray hair black in one hour.

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community Can i trust this oral minoxdil?

in Minoxidil 4 weeks ago

The conversation is about concerns over the authenticity of oral minoxidil for hair loss treatment, with fears it might contain finasteride despite labeling. Users reassure that if it states minoxidil only, it should be trusted, and mention that Indian drugs are generally okay.

community 1.5 years of Fin, switch 3 months ago to Dut, with 5 moths of Min too

in Progress Pictures 104 upvotes 3 years ago

User switched from Fin to Dut for better hair loss results, using 0.5mg Dut and 1ml Min daily. Some discuss potential side effects and benefits of Dut compared to Fin.

community I messed up. Regrew my hair and then lost it all.

in Update 495 upvotes 5 months ago

Stopping hair loss treatments like finasteride and minoxidil can result in losing regrown hair, highlighting the importance of consistent use. Restarting these treatments may cause temporary shedding, but hair can regrow with continued use.

community Bee venom better than minoxidil?

in Research/Science 1061 upvotes 3 months ago

Bee venom at 0.001% concentration was more effective than 2% minoxidil in promoting hair growth in mice, possibly due to increased growth factors and reduced inflammation. Caution is advised due to potential allergic reactions and the reliance on animal data.