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Glossary Irritation

state of inflammation or discomfort in body tissues

Irritation refers to a state of inflammation or discomfort in a part of the body, often caused by external factors like chemicals, physical abrasion, or allergens. In the context of the scalp and hair, irritation can manifest as redness, itching, or a burning sensation, potentially leading to conditions like dermatitis or exacerbating hair loss issues such as alopecia.

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Research

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research UJI IRITASI DAN AKTIVITAS PERTUMBUHAN RAMBUT TIKUS PUTIH: EFEK SEDIAAN GEL APIGENIN DAN PERASAN HERBA SELEDRI (Apium graveolens L.) THE IRRITATION AND HAIR GROWTH ACTIVITY TEST OF MALE S-D MICE: EFFECT OF GEL CONTAINING APIGENIN AND CELERY (APIUM GRAVEOLENS L.) JUICE

1 citations , January 2015

In this study, gel containing apigenin and celery herb extract was observed to effectively stimulate hair growth and did not cause skin irritation in male Sprague-Dawley rats.

Physical Stability Test of Hair Tonic with Cinnamon Essential Oil and Virgin Coconut Oil Using Cycling Test Method and Irritation Test on Rabbits

research PHYSICAL STABILITY TEST HAIR TONIC COMBINATION Cinnamon (Cinnamomum burmanii) ESSENTIAL OIL AND VCO (VIRGIN COCONUT OIL) WITH CYCLING TEST METHOD AND IRRITATION TEST ON THE RABBIT

May 2023 in “Jurnal farmasi sains dan praktis”

In this research on cinnamon and virgin coconut oil hair tonics, F2 and F3 demonstrated stable physical properties and mild irritation potential, while formula 1 remained non-irritating but less stable regarding pH and viscosity.

research The analysis of scalp irritation by coacervates produced in hair shampoo via FTIR with focal plane array detector, X‐ray photoelectron microscopy and HaCaT cells

5 citations , August 2016 in “International Journal of Cosmetic Science”

In this in-vitro study, researchers found that shampoo-induced coacervates structurally resemble cationic polymers and contain anionic surfactants that may stimulate the scalp upon exposure to water.

research Permanent Hair Waving

February 2022 in “Cosmetic Dermatology”

This review discusses the history and composition of permanent hair waving products for different hair types and reports no new research findings.

research Temporary hair removal in patients with hirsutism: a clinical study.

89 citations , March 1990 in “PubMed”

This study found that shaving was the most helpful and commonly used temporary hair removal method among women with facial hirsutism.

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Learn

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learn Hair Fibers

Are hair fibers safe for sensitive scalps or people with dandruff and irritation? Hair fibers may irritate sensitive scalps and worsen dandruff conditions.

learn Piroctone Olamine

Can Piroctone Olamine reduce hair shedding caused by scalp irritation? Piroctone olamine can help reduce hair shedding by alleviating scalp irritation.

learn Jojoba oil

Can jojoba oil reduce scalp irritation or dryness that makes hair fall out more easily? Jojoba oil can help reduce scalp irritation and dryness, potentially minimizing hair loss.

learn Linoleic Acid

Does linoleic acid reduce scalp irritation that can worsen hair loss? Linoleic acid may help reduce scalp irritation, potentially slowing hair loss.

learn Pyrithione Zinc

How does pyrithione zinc help reduce dandruff and irritation related to hair loss? Pyrithione zinc reduces dandruff and irritation by inhibiting yeast growth on the scalp.

learn Osteopontin

signaling protein that, when suppressed, may grow hair by reducing inflammation and stem cell loss

learn Tretinoin

the gold standard retinoid in dermatology that's also helpful for hair regrowth alongside Minoxidil

learn Microneedling

technique to create small wounds in skin to activate collagen production and hair growth

learn Overview

learn Fluridil

a topical anti-androgen with less systemic involvement

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Community Join

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community 3 months of fin has significantly thinned my hair

49 upvotes 4 months ago

The user experienced significant hair thinning and scalp irritation after three months of using topical finasteride. Suggestions include that shedding is normal before regrowth and switching to oral finasteride or addressing scalp inflammation might help.

community hair transplant + finasteride 1mg

in Progress Pictures 23 upvotes 1 month ago

A 42-year-old male shared his positive hair transformation experience using a hair transplant in Turkey and daily 1mg finasteride. He initially tried minoxidil but stopped due to scalp irritation.

community Hair loss journey 3 years in. A public service announcement

137 upvotes 3 months ago

A user shared their 3-year hair loss journey using finasteride, topical and oral minoxidil, and emphasized the importance of addressing scalp conditions like seborrheic dermatitis for better results. They switched from topical to foam minoxidil to reduce scalp irritation and saw improvement in hair density and quality.

community Using topicals after hair transplant if safe to do so

5 upvotes 4 months ago

After a hair transplant, it's advised to stop using RU58841 and minoxidil to avoid irritation, resuming them 25-30 days post-surgery if the scalp is healed. The user is currently using finasteride, minoxidil, and RU58841, but there are concerns about the safety and efficacy of RU58841 in humans.

community 4 months, only Minoxidil 5% ,dermarolling twice a week. hair growth results. any suggestions?

462 upvotes 1 year ago

Significant hair growth was achieved using Minoxidil 5% and dermarolling twice a week, with suggestions to add finasteride for maintenance. There is debate on when to apply Minoxidil after dermarolling to avoid irritation.

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Clinics

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Experts

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Unscored
SMP Specialist
Hairo Fallas
Newark, NJ, United States

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Hairo Fallas