Mechanical skin needling creating microchannels. Studied for collagen induction, acne scars, and skin rejuvenation.
◆Moderate evidence
The Idea
Microneedling is an in-clinic procedure that uses mechanical skin needling to create microchannels in the skin, inducing collagen production and promoting skin rejuvenation. This device is studied for its potential to improve the appearance of acne scars and fine lines. The proposed mechanism of action involves the stimulation of collagen synthesis and tissue repair.
What the Evidence Shows
Research suggests that microneedling can improve skin texture and reduce the appearance of fine lines and acne scars. Studies indicate that collagen production is increased following microneedling treatments, with some studies showing significant improvements in skin elasticity and firmness. However, evidence is limited by the small sample sizes and variability in treatment protocols used across studies. More high-quality, randomized controlled trials are needed to fully understand the efficacy of microneedling for skin rejuvenation.
Verdict
The current state of clinical use suggests that microneedling is a promising treatment option for skin rejuvenation, but its effectiveness can vary depending on individual factors and treatment protocols. While some studies indicate positive outcomes, more research is needed to fully establish the benefits and limitations of this procedure.
Understanding evidence levels▼
In VitroCell or tissue culture experiments — no human or animal data.
Ex VivoSkin model or tissue experiments — not in living humans.
Animal StudyResults in animals only — may or may not translate to humans.
Small Human StudySmall or uncontrolled human study — preliminary results.
Controlled TrialControlled human study (often randomized) — stronger evidence.
Systematic ReviewSummary and analysis of existing published studies.
Meta-AnalysisStatistical pooling of results from multiple studies.
GuidelineProfessional guidance or consensus statement from a dermatology society.
◆ Notable findingA finding from a controlled trial, systematic review, or meta-analysis with noteworthy results.Controlled TrialControlled human study, often randomized. Stronger evidence.RetinolAcnePublished: June 3, 2026
New Strategies for Reducing Acne-Induced Hyperpigmentation
Researchers studied acne-induced hyperpigmentation, a common side effect of acne, and found that it can persist for months or years. They identified risk factors and treatment options, including topical agents and systemic therapies. More research is needed to develop standardized assessment tools.
Why it matters: Understanding and managing acne-induced hyperpigmentation may help improve the quality of life for individuals affected by acne.
This study did not address the effectiveness of all potential treatments, and more research is needed to develop standardized assessment tools for acne-induced hyperpigmentation.
Animal StudyResults in animals only. May or may not translate to humans.Vitamin C (L-Ascorbic Acid)Published: June 2, 2026
Microneedle Booster May Help Treat Hair Loss
Researchers developed a new microneedling device that can help deliver treatments for androgenetic alopecia, a common form of hair loss. In lab experiments and animal studies, this device showed improved delivery of treatments compared to a traditional roller. A small study suggests that this may lead to faster hair regrowth.
Why it matters: This research may help improve our understanding of how to treat hair loss, but more studies are needed to confirm its effectiveness.
This study was conducted in porcine skin and used animal models, so its results may not directly apply to humans. Further research is needed to confirm these findings in humans.
Small Human StudySmall or uncontrolled human study. Results are preliminary.HyperpigmentationPublished: June 1, 2026
Stem Cell Exosomes May Help Improve Scar Appearance
Researchers studied the use of stem cell exosomes to improve the appearance of scars on a woman's face after a skin injury. They applied the exosomes to the scar area and found that it improved over time, with better texture and color. This was a small study, and more research is needed to confirm the results.
Why it matters: This study may help us understand new ways to improve the appearance of scars, which can be a concern for people who have experienced skin injuries.
This was a single case study with a small sample size, and more research is needed to confirm the results. The study was not a controlled trial, and the duration of the study was 6 months.
Small Human StudySmall or uncontrolled human study. Results are preliminary.Published: May 25, 2026
Exosome Therapy May Help Heal Traumatic Eyelid Wounds
Researchers studied the use of exosomes as a supplement to standard treatment for traumatic eyelid wounds. They found that exosome therapy may help wounds heal faster and reduce scarring. This was observed in a single case study.
Why it matters: This research may help us understand how to improve wound healing and reduce scarring, which could be relevant to skincare and dermatology.
This was a single case study, so the results may not be generalizable to other patients. The study did not have a control group for comparison.
◆ Notable findingA finding from a controlled trial, systematic review, or meta-analysis with noteworthy results.Systematic ReviewSummary and analysis of existing published studies.Published: May 21, 2026
Researchers Explore Hair Regeneration Using 3D Bioprinting
A team of researchers studied the use of 3D bioprinting to create hair-bearing skin. They found that this method can recreate hair follicles in a lab setting, but there are still challenges to overcome before it can be used in humans. The researchers identified key areas that need to be addressed, such as integrating blood vessels and nerves, and controlling the hair growth cycle.
Why it matters: This research may help us better understand how to regenerate hair and potentially develop new treatments for hair loss.
This review is based on recent advances in the field and does not present new experimental data. The translation of these findings to human hair regeneration remains a challenge.
Small Human StudySmall or uncontrolled human study. Results are preliminary.NiacinamideAcnePublished: May 15, 2026
Chitosan may help with skin recovery and hair growth
Researchers studied chitosan, a substance found in some skincare products, for its potential benefits in aesthetic dermatology. They found that chitosan hydrogels may support skin recovery after laser treatments and improve the effectiveness of certain skincare ingredients. A small study also suggested that chitosan may help with hair growth. However, more research is needed to confirm these findings.
Why it matters: Understanding the potential benefits and limitations of chitosan in skincare may help individuals make informed decisions about their treatments.
Limited by small study sizes and heterogeneity in formulations. More standardized clinical trials are needed to define its role in aesthetic protocols.
Small Human StudySmall or uncontrolled human study. Results are preliminary.Skin Barrier DamagePublished: May 14, 2026
3D-Printed Microneedles May Help Deliver Antioxidants Deep into the Skin
Researchers developed a new way to deliver antioxidants deep into the skin using 3D-printed microneedles. They tested this method with a specific antioxidant called resveratrol, which is found in some foods. The microneedles were able to deliver the antioxidant into the skin, where it could potentially provide benefits. However, more research is needed to confirm these findings.
Why it matters: This research may help improve our understanding of how to deliver antioxidants to the skin, which could potentially lead to new skincare treatments.
This study was conducted in human volunteers, but the sample size is not specified. The study only tested the delivery of a single antioxidant, resveratrol, and more research is needed to confirm these findings.
Ex VivoSkin model or tissue experiments. Not in living humans.PeptidesSkin Barrier DamagePublished: May 5, 2026
Cooling Device May Help Enhance Skin Penetration for Skincare Treatments
Researchers studied a cooling device called TargetCool to see if it could help skincare products penetrate deeper into the skin. They found that it may enhance skin penetration, especially when used with microneedling devices. However, more research is needed to confirm these findings.
Why it matters: This study may help improve our understanding of how to deliver skincare treatments more effectively.
This study was conducted in a lab using human skin samples, and the results may not translate to real-world use. The study only looked at one specific skincare ingredient and did not examine its effects on skin health or appearance.
◆ Notable findingA finding from a controlled trial, systematic review, or meta-analysis with noteworthy results.Systematic ReviewSummary and analysis of existing published studies.Vitamin C (L-Ascorbic Acid)Published: May 1, 2026
Non-Surgical Treatments May Help Improve Smile Aesthetics
Researchers studied non-surgical treatments for correcting 'black triangles' in the gums, which can affect smile appearance. They found that some treatments, like hyaluronic acid injections, may be effective and safe. However, more research is needed to confirm these findings.
Why it matters: Understanding these treatments may help individuals with gum aesthetics concerns make informed decisions about their care.
The current evidence is limited, and findings should be interpreted with caution. Further well-designed, standardized clinical trials are required to establish the effectiveness, long-term stability, and patient-centred outcomes of these interventions.
◆ Notable findingA finding from a controlled trial, systematic review, or meta-analysis with noteworthy results.Systematic ReviewSummary and analysis of existing published studies.Uneven TexturePublished: May 1, 2026
Microneedling, Microdermabrasion, and Microvibration for Skin Renewal
Researchers studied the effects of microneedling, microdermabrasion, and microvibration on skin renewal. They found that these treatments may influence skin texture, scarring, and epidermal renewal, but the underlying mechanisms are not yet fully understood. More research is needed to refine personalized approaches.
Why it matters: Understanding how these treatments work may help guide treatment selection and optimization for skin rejuvenation.
The review synthesizes existing clinical, histological, and molecular data, but more standardized studies and deeper proteomic analyses are needed to refine personalized approaches.
◆ Notable findingA finding from a controlled trial, systematic review, or meta-analysis with noteworthy results.Controlled TrialControlled human study, often randomized. Stronger evidence.Redness / Facial RednessPublished: April 30, 2026
Combining microneedling with oral doxycycline may help treat rosacea symptoms
Researchers studied whether adding microneedling to oral doxycycline improves treatment outcomes for people with rosacea. They found that combining these two treatments may help reduce facial erythema, flushing, and burning sensations, and may also reduce the risk of rosacea relapse. However, more research is needed to confirm these findings.
Why it matters: This study may help skincare professionals better understand how to treat rosacea symptoms and improve patient outcomes.
This study was a small retrospective comparative cohort study with a sample size of 160 patients, and more research is needed to confirm these findings.
◆ Notable findingA finding from a controlled trial, systematic review, or meta-analysis with noteworthy results.Systematic ReviewSummary and analysis of existing published studies.AcnePublished: April 28, 2026
Radiofrequency Microneedling May Help Improve Skin Texture and Reduce Signs of Aging
Researchers studied the effectiveness of radiofrequency microneedling (RFMN) for various skin conditions, including acne scars, skin laxity, and rosacea. They found that RFMN may improve skin texture and reduce signs of aging, but the evidence is not consistent across all conditions. More research is needed to fully understand its benefits and limitations.
Why it matters: This study may help skincare professionals and individuals better understand the potential benefits and risks of RFMN for various skin concerns.
The study included a diverse range of studies, but the quality of the evidence varied, and the reporting of technical parameters was inconsistent. Additionally, the study did not compare RFMN to other treatments directly.