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Did you mean Intradermal Injections?

Glossary Intradermal Injections

involves injecting medication into the skin's dermis layer

Intradermal injections (ID injections) involve administering a small amount of medication or substance directly into the dermis, the layer of skin just below the outermost layer (epidermis). This method is commonly used for allergy tests and tuberculosis screening because it allows for a slow absorption of the substance and a localized reaction that can be easily observed.

Research

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research Intradermal injections of a hair growth factor formulation for enhancement of human hair regrowth – safety and efficacy evaluation in a first-in-man pilot clinical study

17 citations , February 2018 in “Journal of Cosmetic and Laser Therapy”

In this study, researchers administered eight sessions of intradermal injections containing growth factors into the scalp of 1000 patients, reporting a significant reduction in hair fall in 83% of participants and increased total hair count and shaft diameter, with promising tolerance and safety.

research Observation on cadavers and through ultrasonography using a 2 mm needle length for intradermal injections

11 citations , November 2023 in “Skin Research and Technology”

A 2 mm needle is effective and precise for skin injections.

research Intradermal injections with 0.5% minoxidil for the treatment of female androgenetic alopecia: A randomized, placebo‐controlled trial

7 citations , December 2020 in “Dermatologic Therapy”

In this study, intradermal injections of 0.5% minoxidil significantly improved hair growth and volume in women with female androgenetic alopecia compared to a placebo, with a good safety profile reported.

research Platelet-rich plasma in alopecia areata: intradermal injection versus topical application with transepidermal delivery via either fractional carbon dioxide laser or microneedling

5 citations , January 2020 in “Acta dermatovenerologica Alpina, Pannonica et Adriatica (Tiskana izd.)”

This study found that PRP was effective for treating alopecia areata with similar improvement across groups, while topical delivery via fractional CO2 laser or microneedling reduced injection pain.

research Adverse Reactions Following Intradermal Injection of Exosome‐Based Formulations: A Case Series

4 citations , October 2025 in “Journal of Cosmetic Dermatology”

This study reported severe and persistent skin reactions, including inflammation and scarring, after intradermal injections of unregulated exosome-based products, highlighting potential risks in aesthetic dermatology.

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Community Join

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community 3 meses de tratamento e me sinto muito bem. Minoxidil oral + finasteria + microagulhamento

50 upvotes 1 month ago

The user feels great after three months of treatment with oral minoxidil, oral finasteride, and microneedling with intradermal injections of minoxidil and finasteride. They report no side effects from the 5mg oral minoxidil and emphasize the importance of consulting a specialist before starting treatment.

community What is the ultimate hair regrowth protocol

29 upvotes 1 year ago

The conversation covers aggressive hair regrowth treatments like Dutasteride, Minoxidil (oral and topical), RU58841, microneedling, and ketoconazole shampoo. It also mentions PRP, laser therapy, GHK-Cu injections, and hormone therapy for maximum regrowth.

community Amplifica’s AMP-303 Study Unveils New Hope for Hair Loss Treatments

in Treatment 39 upvotes 2 years ago

AMP-303, a new injectable treatment for androgenetic alopecia, showed promising results in increasing hair count and density with minimal side effects. The treatment demonstrated significant hair regrowth and durability, offering new hope for those with hair loss.

community Which 2026 hair‑loss treatments have the strongest evidence so far? (minoxidil/finasteride vs. clascoterone, PP405, Re:You’s NV‑623/624, AMP‑303, RU58841)

44 upvotes 3 months ago

Minoxidil and finasteride are the only FDA-approved treatments for androgenetic alopecia, while newer treatments like clascoterone, PP405, NV-623/624, AMP-303, and RU58841 are still experimental with varying levels of evidence. Clascoterone shows the most promise due to strong human data, while AMP-303 has notable early human trial results; RU58841 lacks human data and remains experimental.

community Interesting article links major MPB theories to western diet (and life-style)

in Research/Science 58 upvotes 1 year ago

Poor diet and lifestyle contribute to male pattern baldness. Treatments like Minoxidil, dietary changes, and lifestyle adjustments may help slow hair loss.

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