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Research

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research Effects of Skin Lightening Cream Agents – Hydroquinone and Kojic Acid, on the Skin of Adult Female Experimental Rats

46 citations , April 2020 in “Clinical Cosmetic and Investigational Dermatology”

This study found that hydroquinone caused structural damage to the skin of rats, while aloe vera reduced this damage, suggesting potential concerns for its use in skin lightening creams.

research Effectiveness of regenerative medicine for skin lightening and rejuvenation: a systematic review of extracellular vesicles and conditioned media

September 2025 in “Stem Cell Research & Therapy”

This review suggests that extracellular vesicles and conditioned media might be safe and effective for skin rejuvenation and lightening, but further high-quality studies are needed to confirm these findings.

Multi-Target Aesthetic Enhancement With 1064 nm Q-Switched Nd:YAG Laser: Face and Body Hair Lightening, Pigment Clearance, and Skin Rejuvenation in Indian Dermatology

research Multi-Target Aesthetic Enhancement with 1064 nm Q-Switched Nd:YAG Laser: Face and Body Hair Lightening, Pigment Clearance, and Skin Rejuvenation in Indian Dermatology.

January 2026 in “PubMed”

This study found that 1064 nm QS Nd:YAG laser treatment effectively lightens hair and improves skin appearance in Indian subjects with minimal adverse effects, offering a safer alternative to chemical lightening products.

research Eyelid skin tightening: a novel ‘Niche’ for fractional CO₂ rejuvenation

27 citations , March 2011 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology”

This study found that fractional CO(2) laser treatments led to significant improvements in eyelid skin tightening and eyebrow elevation over one year, with no significant side effects reported.

research Investigating motivational factors of skin lightening phenomenon and related psychological and image-related disturbances

June 2018 in “Research Repository (Kingston University London)”

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Community Join

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community Will minoxidil cause your skin to age from the collagen inhibition?

2 upvotes 7 months ago

Minoxidil is unlikely to cause skin aging at typical doses, and concerns about collagen inhibition are mostly unfounded. Users suggest using sunscreen and tretinoin for skin health, and some combine minoxidil with finasteride for hair maintenance.

community 2 months back on Fin/Min after stopping treatment for 2 years. First pic is a bit deceptive because I had a 1mm buzzcut and lighting right above me, but it's definitely filling back in.

in Progress Pictures 406 upvotes 2 years ago

A user shared progress pictures showing significant hair regrowth after two months back on finasteride and minoxidil, following a two-year break. The user also mentioned experimenting with hair dye and considering growing their hair for an undercut.

community Minoxidil inhibits lysyl hydroxylase which is needed to produce collagen. If I take 2,5...5 mg of minoxidil every day can I cause my skin to age prematurely?

32 upvotes 1 year ago

Oral minoxidil is effective for hair loss and unlikely to significantly affect collagen synthesis, making it a safe option without causing premature skin aging. Users report positive hair regrowth without noticeable skin aging.

community 9 month update 1st slide 2020 at my worst vs today. 2nd slide 9 months ago vs today. 3rd, wet hair. 4th, hairline. 5th, damp hair. 6th crown view. 7th, brushed back. 8 & 9, hair in high Summer humidity. 10th, no lighting.

in Progress Pictures 342 upvotes 2 years ago

User shared 9-month hair regrowth progress using a Fin/Min spray from HIMS, with additional microneedling. Other users praised the results and discussed the effectiveness of topical treatments.

community Why you shouldn’t trust “progress” pictures.

in Chat 388 upvotes 1 year ago

Hair loss progress pictures can be misleading due to differences in lighting, hair length, and wetness, making it hard to accurately assess changes. Treatments mentioned include minoxidil and finasteride, with some users expressing skepticism about their effectiveness.

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Learn

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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 Scalp Micropigmentation

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 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.

learn Hyaluronic Acid

Does hyaluronic acid really hydrate the scalp, or is it mainly for skin care? Hyaluronic acid can hydrate the scalp, but its effectiveness may vary.

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Clinics

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Experts

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36
SMP Specialist
Noelle Skin
Nice, France

Noelle Skin