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Glossary Hair Pigmentation

natural hair color determined by melanin in hair follicles

Hair pigmentation refers to the natural color of hair, which is determined by the type and amount of melanin produced by melanocytes in the hair follicles. There are two main types of melanin: eumelanin, which gives hair black or brown color, and pheomelanin, which imparts red or yellow hues. The balance and concentration of these pigments result in the wide variety of hair colors seen in humans.

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Research

5 / 1000+ results

research Restoring natural hair pigmentation: clinical assessment of safety and efficacy of an ayurvedic leave-on treatment

December 2025 in “International Journal of Research in Dermatology”

This clinical study in healthy Indian adults found that a four-month application of an Ayurvedic leave-on treatment significantly increased natural black hair density, reduced grey hair count, and was well-tolerated without adverse effects, suggesting its efficacy and safety for treating premature hair greying.

research Natural products and their derivatives as candidate treatments for hair greying: from drug discovery to molecular mechanisms

February 2026 in “Chinese Medicine”

Natural products might help treat hair greying.

research Natural course of epidermolysis bullosa simplex with mottled pigmentation in a Japanese family with the p.P25L mutation in KRT 5

3 citations , January 2019 in “Journal of Dermatology”

This letter to the editor discusses the natural course of epidermolysis bullosa simplex with mottled pigmentation in a Japanese family but does not present new clinical results.

research Hair Protection Effect of Wild Peach Leaf Extract Addition Treatment after Pigmentation Technique Hair Dyeing Procedure

August 2024 in “Journal of the Korean Society of Cosmetology”

The research reported that applying treatments with wild peach leaf extract during hair dyeing improved hair's tensile strength, thickness, gloss, and protective qualities in a concentration-dependent manner, suggesting potential for use in natural hair cosmetics.

research Effects of gamma rays on the regeneration of murine hair follicles in the natural hair cycle

3 citations , June 2017 in “International Journal of Radiation Biology”

This review of murine studies reports that γ-rays affect hair follicle pigmentation in mice throughout the hair cycle, while effects on hair structure may be obscured by aging.

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Community Join

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community Scalp pigmentation, thoughts? Firsthand experience?

4 upvotes 1 month ago

Scalp pigmentation is discussed as an alternative to hair transplants for achieving a natural look while being bald. The conversation seeks firsthand experiences and opinions on its effectiveness and appearance.

community Natural methods only. Gains or Nah?

10 months ago

The user is attempting to regrow hair using natural methods like microneedling, rosemary oil, and capsaicin tincture, avoiding medications like finasteride and minoxidil due to past health issues. Feedback suggests these methods are ineffective, with many recommending shaving or considering a hair system instead.

community Finally jumped on Fin after decent regrowth using all natural regime (mechanical stimulation)

5 upvotes 8 years ago

The user experienced good hair regrowth using natural methods and mechanical stimulation but decided to add finasteride to their regimen for better results. They are optimistic about further regrowth and plan to update on the effects of finasteride, noting no significant side effects so far.

community How is this hairline? Doesn't look natural to me (8 months)

in Transplants 221 upvotes 4 months ago

The user is unhappy with their hair transplant results, feeling the hairline looks unnatural, but most commenters reassure them it looks good and natural. Some suggest styling changes or focusing on hair care routines.

community Korean treatment that literally made me confident to tie my hair up.

in Treatment 30 upvotes 4 months ago

A user shared their positive experience with MoriTint, a Korean scalp micro pigmentation technique that enhances the appearance of hair density without being permanent. They now offer this service in Los Angeles and emphasize its benefits for those with thinning hair, while clarifying it is not suitable for those with significant hair loss or baldness.

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Learn

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learn Scalp Micropigmentation

Does scalp micropigmentation look natural? Scalp micropigmentation can look natural if performed by a skilled practitioner.
Will scalp micropigmentation damage my existing hair or follicles? Scalp micropigmentation does not damage existing hair or follicles.
Will scalp micropigmentation grow my hair back? Scalp micropigmentation does not grow hair back; it only enhances appearance.
All 5 questions on Scalp Micropigmentation →

learn Hair Multiplication

extract, clone, and reinsert your own hair cells

learn Redensyl

commercial product with a blend of mostly natural ingredients for hair regrowth

learn Hair Fibers

cosmetic product that temporarily makes hair appear thicker

learn Neem Oil

natural substance from Neem tree with medicinal and pesticidal properties

learn Castor oil

A plant oil used in cosmetics and traditional medicine. It is popular in hair care, but no controlled human trial has tested it as a hair-growth treatment.

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Clinics

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Experts

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