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Research

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research 253 Protective and cleansing effect of a skin care product against pollen allergen accumulation in the hair follicle

November 2022 in “The journal of investigative dermatology/Journal of investigative dermatology”

This study found that a skincare product effectively prevented and reduced pollen allergen accumulation in hair follicle models by forming a protective film and exhibiting strong cleansing properties, suggesting its potential to protect skin from environmental elements that can lead to irritation and allergic reactions.

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

research Allergens of permanent hair dyes induces epidermal damage, skin barrier loss and IL-1 α increase in epidermal in vitro model

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

This study found that mixtures used in permanent hair dyes had irritant effects on reconstructed human epidermis, while individual ingredients alone did not.

research Melatonin in Dermatologic Allergic Diseases and Other Skin Conditions: Current Trends and Reports

1 citations , February 2023 in “International Journal of Molecular Sciences”

This review discusses various therapeutic roles of melatonin, particularly its antioxidant and sleep-regulating properties, for skin and scalp conditions, and reports no new clinical results.

Microneedle Transdermal Drug Delivery Systems for Allergen-Specific Immunotherapy, Skin Disease Treatment, and Vaccine Development

research Microneedle Transdermal Drug Delivery Systems for Allergen-Specific Immunotherapy, Skin Disease Treatment, and Vaccine Development

4 citations , January 2022 in “Yonsei Medical Journal”

This article discusses the potential of novel microneedle transdermal systems for enhanced drug and vaccine delivery through the skin, but reports no clinical results and emphasizes ongoing trials.

research Regulation of immune response genes in the skin of allergic and clinically tolerant individuals exposed to p‐phenylenediamine

4 citations , January 2024 in “Allergy”

This study indicates that individuals exposed to PPD mount varying immune responses, with either tolerance, subclinical inflammation, or allergy, suggesting no true non-responders to PPD.

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Community Join

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community allergen of the year award list(2000-2023).most allergens are in every day shampoos and skin care.

in Research/Science 4 upvotes 3 years ago

The post discusses allergens in everyday shampoos and skincare products, listing yearly allergens from 2000 to 2023. It suggests that these chemicals might contribute to acne and hair loss.

community Looks like I’m allergic to propylene glycol..

4 upvotes 4 years ago

The user is experiencing an allergic reaction to propylene glycol in Kirkland minoxidil and is considering switching to a foam version or a low-PG minoxidil solution. They are also contemplating oral minoxidil but are concerned about its long-term safety.

community Low level chronic allergies and hair loss

5 upvotes 2 years ago

Hair loss can be influenced by chronic low-level allergies, and treatments like fexofenadine or topical cetirizine may help with regrowth. The user avoids finasteride, dutasteride, and minoxidil, and has tried Regenera Activa and PRF sessions.

community The guys at /bald are allergic to hair regrowth

103 upvotes 1 year ago

Some embrace baldness, while others promote treatments like minoxidil and finasteride. Opinions differ on accepting baldness versus pursuing hair regrowth.

community Topical Finasteride with rogain foam as solvent

1 upvotes 4 years ago

The conversation discusses using Rogain foam as a solvent for topical finasteride due to an allergy to propylene glycol. The foam's ingredients, including alcohol SD 40B, are considered suitable for dissolving finasteride for easier application without skin irritation.

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Learn

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learn Scalp Micropigmentation

Are the pigments used in scalp micropigmentation safe? Providers describe SMP pigments as safe, medical-grade and made for the scalp, but those are supplier and clinic descriptions rather than regulatory approvals: no colour additive is approved for injection into the skin, and allergic reactions to tattoo pigment are documented.
Does scalp micropigmentation work on all skin tones and hair colors? Scalp micropigmentation can be customized for various skin tones and hair colors.
Is scalp micropigmentation suitable for people with sensitive skin? Providers say scalp micropigmentation suits most skin types and describe patch tests, hypoallergenic pigments and a skin consultation for sensitive skin. These are provider claims rather than independent safety evidence, and pigment reactions remain a risk.

learn Microneedling

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

learn Vascular Endothelial Growth Factor

learn sh-Polypeptide-7

learn Neem Oil

natural substance from Neem tree with medicinal and pesticidal properties

learn Thymosin Beta 4

learn Melatonin

Can melatonin cause side effects on the skin or hair? Melatonin may cause hair loss or thinning in some users, but evidence is limited.

learn retinol

How does retinol improve scalp health and prepare the skin for other hair growth treatments? Retinol improves scalp health by promoting cellular turnover and reducing congestion.

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Experts

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36
SMP Specialist
Noelle Skin
Nice, France

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Noelle Skin