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Glossary Skin Type

Skin type refers to the classification of skin based on its characteristics, such as oiliness, dryness, sensitivity, and the presence of conditions like acne or rosacea. It is relevant to hair loss as the health of the scalp, which is influenced by skin type, can affect hair growth and retention. For instance, oily skin may lead to clogged hair follicles, while dry skin can result in flakiness and irritation, both of which can contribute to hair loss. Key distinguishing characteristics include the balance of sebum production, moisture levels, and the skin's reaction to environmental factors.

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Research

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Type 2 Diabetes Mellitus Inhibits Skin Renewal Through Inhibiting WNT-Dependent Lgr5+ Hair Follicle Stem Cell Activation in C57BL/6 Mice

research Type 2 Diabetic Mellitus Inhibits Skin Renewal through Inhibiting WNT-Dependent Lgr5+ Hair Follicle Stem Cell Activation in C57BL/6 Mice

6 citations , April 2022 in “Journal of diabetes research”

This study found that type II diabetes inhibited hair follicle regeneration and skin cell proliferation in mice, potentially explaining reduced skin renewal and chronic wound formation in diabetes.

research Type 2 Cytokine–Dependent Skin Barrier Regulation in Personalized 2-Dimensional and 3-Dimensional Skin Models of Atopic Dermatitis: A Pilot Study

2 citations , August 2024 in “JID Innovations”

This study suggests that keratinocytes derived from hair follicles of patients with atopic dermatitis provide a useful model for investigating AD-related inflammation, as they showed greater expression changes of AD markers when stimulated with type 2 cytokines compared to those from healthy donors.

research Vitamin D-dependent rickets type II. Defective induction of 25-hydroxyvitamin D3-24-hydroxylase by 1,25-dihydroxyvitamin D3 in cultured skin fibroblasts.

81 citations , March 1985 in “Journal of Clinical Investigation”

This study found that measuring 24-OHase induction by 1,25(OH)2D3 in cultured skin fibroblasts is a sensitive test for detecting genetic defects in the 1,25(OH)2D effector pathway.

Long Pulsed Nd: YAG Laser with Inbuilt Cool Sapphire Tip for Long-Term Hair Reduction on Type IV and V Skin: A Prospective Analysis of 200 Patients

research Long pulsed Nd: YAG laser with inbuilt cool sapphire tip for long term hair reduction on type- IV and V skin: A prospective analysis of 200 patients

10 citations , January 2010 in “Indian journal of dermatology, venereology, and leprology”

This study found that long pulsed Nd: YAG laser is a safe and effective method for hair reduction in individuals with skin types IV and V, with significant improvements observed over six sessions.

Effect of Calcium Supplementation on Bone Deformity and Histopathological Findings of Skin Papules in a Pediatric Patient with Vitamin D-Dependent Rickets Type 2A: A Case Report

research Effect of calcium supplementation on bone deformity and histopathological findings of skin papules in a pediatric patient with vitamin D–dependent rickets type 2A: a case report

January 2025 in “Clinical Pediatric Endocrinology”

In a case study of vitamin D-dependent rickets type 2A, researchers observed that while active vitamin D treatment failed to improve bone and laboratory abnormalities, oral calcium lactate significantly ameliorated these issues, although skin and hair problems remained unresponsive.

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Community Join

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community 5 alpha reductase type 1 is in brain tissue producing the main endogenous gabaergic allopregnanolone, not 2. How can finasteride as a 5ar2 lower that?

27 upvotes 1 year ago

Finasteride and dutasteride are discussed for hair loss, with concerns about their effects on neurosteroids and potential side effects like depression. Alternatives like topical estrogen and lifestyle changes are considered, with varying opinions on mental health and hair regrowth.

community 24 weeks of treatment. Best decision of my life

916 upvotes 1 year ago

A 32-year-old male used 1.25mg oral finasteride daily and 1ml topical minoxidil twice daily for 24 weeks, experiencing improved skin and hair growth with initial side effects that resolved after three weeks. He plans to try dermastamping to address a stubborn cowlick area.

community Microneedling at .25 everyday before applying Min

in Minoxidil 26 upvotes 1 year ago

Daily microneedling at 0.25mm before applying minoxidil is debated, with some suggesting weekly microneedling is safer and more effective. Concerns include potential skin damage and systemic absorption, while alternatives like tretinoin are considered safer for enhancing minoxidil absorption.

community Dutasteride 0.5 mg/day lowers scalp DHT levels by only 50% (but 2.5 mg/day lowers scalp DHT by 80%).

in Finasteride/Dutasteride 132 upvotes 1 year ago

Dutasteride at 2.5 mg/day reduces scalp DHT by 80%, while 0.5 mg/day reduces it by 50%, with minimal difference in side effects. Users often combine it with finasteride, RU58841, and minoxidil for better hair loss management, though side effects like dry skin and pimples are noted.

community Just received my 2 Deoxy D Ribose wish me luck🫡

245 upvotes 2 years ago

A user is trying 2-deoxy-D-ribose with distilled water for hair growth, observing new hair and skin pigmentation changes. Others compare it to Minoxidil, expressing interest and caution about its effectiveness and safety.

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