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Comparison of 1064-nm Nd:YAG Picosecond Lasers Using Fractional Micro-Lens Array vs. Ablative Fractional 2940-nm Er:YAG Lasers for the Treatment of Atrophic Acne Scar in Asians: A 20-Week Prospective, Randomized, Split-Face, Controlled Trial

research Comparison of 1064-nm Nd:YAG Picosecond Lasers Using Fractional Micro-Lens Array vs. Ablative Fractional 2940-nm Er:YAG Lasers for the Treatment of Atrophic Acne Scar in Asians: A 20-Week Prospective, Randomized, Split-Face, Controlled Trial

April 2023 in “Journal of Investigative Dermatology”

Both laser treatments improved acne scars similarly, but the Nd:YAG laser was safer and less painful, while the Er:YAG laser left patients slightly more satisfied.

research Histologic Comparison of Microscopic Treatment Zones Induced by Fractional Lasers and Radiofrequency

27 citations, August 2014 in “Journal of Cosmetic and Laser Therapy”

Different lasers and radiofrequency affect skin differently, important for dermatologists to choose the right treatment.

research A Systematic Review of Erbium Lasers in the Treatment of Androgenetic Alopecia

May 2025 in “Lasers in Medical Science”

Erbium lasers improve hair growth in androgenetic alopecia with minimal side effects.

research Advancements in Skin Resurfacing Technologies: CO₂ and Er:YAG Lasers, Fractional Photothermolysis, and Plasma Resurfacing

19 citations, August 2007 in “Seminars in Plastic Surgery”

Newer skin resurfacing lasers reduce damage and scarring, with some approved for safe use and minimal side effects.

research Lessons Learned from the First Decade of Laser-Assisted Drug Delivery

17 citations, January 2021 in “Dermatology and Therapy”

Laser-assisted drug delivery has shown improved treatment outcomes for skin conditions and has potential to reduce side effects and treatment time.

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Community Join

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community Start taking care of your skin and hair loss TODAY! I was telling myself I didn’t care, but I think the difference in my facial expression says it all. Take action asap before more permanent damage is done. I hope I can inspire some of you, because it’s so worth it. Not for others, for yourself! <3

in Progress Pictures 583 upvotes 3 years ago

User shared progress in treating hair loss and improving skin, using treatments like finasteride, minoxidil, RU58841, tretinoin, microneedling, and skin care regimen. Others commented on the impressive results and asked about costs and side effects.

community DUPA hair loss - What's the real deal ?

in Research/Science 9 upvotes 2 years ago

A 25-year-old male with DUPA (diffuse thinning including the donor area) has not seen improvement after 14 months on finasteride. He's considering switching to dutasteride (DUT) after advice from a hair loss YouTuber and is also contemplating trying RU58841.

community Extreme caution: my experience using Ru58841 only once

in Treatment 10 upvotes 4 months ago

An 18-year-old experienced severe side effects, including heart palpitations and high blood pressure, after using RU58841 once, leading to a referral to cardiology for suspected left ventricular hypertrophy. The user regrets using RU58841 and seeks advice on recovery, while others suggest preexisting conditions or genetic predispositions may be factors.

community DHT Isn't (Directly) Important

in Research/Science 98 upvotes 4 months ago

Finasteride's potential side effects, especially sexual dysfunction, are discussed, with emphasis on hormonal balance between testosterone and estradiol. Users share experiences with finasteride, minoxidil, and dutasteride, highlighting the variability in side effects and the influence of mindset and lifestyle.

community Finasteride weird side effects: slight discomfort in lower abdomen/bladder/prostate

in Finasteride 135 upvotes 4 months ago

The user experienced bladder and prostate discomfort after taking finasteride and stopped the medication, but symptoms returned upon resuming at a lower dose. The doctor suggested trying dutasteride as an alternative.

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