Tretinoin alternatives on the horizon. Research shows promising new systemic therapies for moderate-to-severe acne, including antibiotics and biologic treatments. More studies needed to compare their effectiveness.
SkinCareRadar tracks newly published skincare and dermatology research, then explains what the findings mean in plain language — with evidence labels, source links, and no hype.
Tretinoin alternatives on the horizon. Research shows promising new systemic therapies for moderate-to-severe acne, including antibiotics and biologic treatments. More studies needed to compare their effectiveness.
Small Human StudySmall or uncontrolled human study. Results are preliminary.AcnePublished: April 1, 2026
High-Frequency Ultrasound and Color Doppler Flow Imaging May Help Assess Acne Treatment Efficacy
Researchers studied a small group of people with moderate-to-severe acne to see if high-frequency ultrasound and color Doppler flow imaging can help assess how well they respond to treatment. They found that these techniques may provide more objective and detailed information about acne severity. However, the study had some limitations.
Why it matters: This research may help dermatologists and skincare professionals better understand how to evaluate the effectiveness of acne treatments.
This study had a small sample size of 30 patients and was a single-arm study, which may limit the generalizability of the findings.
◆ Notable findingA finding from a controlled trial, systematic review, or meta-analysis with noteworthy results.Systematic ReviewSummary and analysis of existing published studies.TretinoinAcnePublished: April 1, 2026
New Acne Treatments Beyond Isotretinoin Show Promise
Researchers reviewed emerging systemic therapies for moderate-to-severe acne, finding some promising alternatives to isotretinoin. These treatments include antibiotics, hormonal agents, and biologic therapies, which may help improve acne symptoms. However, more studies are needed to compare their effectiveness to isotretinoin.
Why it matters: Understanding these new treatments may lead to better acne management options for people with moderate-to-severe acne.
Most treatments lack head-to-head comparisons with isotretinoin, and further large-scale comparative studies are needed to define their roles within evidence-based acne management algorithms.
Small Human StudySmall or uncontrolled human study. Results are preliminary.Published: April 1, 2026
Skin Tone Affects AI Classifications in Hyperspectral Imaging
Researchers studied how skin tone affects how well artificial intelligence (AI) can classify skin images. They used hyperspectral imaging to collect data from 45 healthy women and found that skin tone influences the data. This may affect how well AI models work for people with different skin tones.
Why it matters: This study highlights the importance of diverse datasets to ensure equitable performance in AI models used for skincare or dermatology.
This study was conducted on a small group of 45 healthy women, and the results may not be generalizable to other populations. The study was limited to hyperspectral imaging data and did not investigate other types of imaging or AI models.
In VitroCell or tissue culture experiments. No human or animal data.Skin Barrier DamagePublished: March 31, 2026
Proton Channel May Help Regulate Skin Shedding
Researchers studied a protein called PACC1 in skin cells to see how it affects skin shedding. They found that PACC1 helps trigger a process that breaks down old skin cells. This process is important for maintaining healthy skin, but more research is needed to understand its role.
Why it matters: Understanding how skin shedding works may help develop new skincare products or treatments that improve skin health.
This study was conducted in lab experiments using skin cells, and the findings may not directly apply to human skin. Further research is needed to confirm these results in a living organism.
◆ Notable findingA finding from a controlled trial, systematic review, or meta-analysis with noteworthy results.Systematic ReviewSummary and analysis of existing published studies.TretinoinAcnePublished: March 31, 2026
Expert Consensus on Isotretinoin Use for Severe Acne
Researchers developed a consensus on the use of isotretinoin for severe acne, recommending it for adults and adolescents with certain types of acne. The consensus also suggested early initiation and tailored dosing. However, there is still some uncertainty around the optimal dosing and monitoring.
Why it matters: This study may help guide dermatologists in treating severe acne, but its findings should be interpreted with caution.
The consensus was developed through a modified Delphi process and literature review, but some areas of agreement, such as cumulative dosing, laboratory testing frequency, and duration of posttreatment washout, were not universally agreed upon.
Small Human StudySmall or uncontrolled human study. Results are preliminary.AcnePublished: March 30, 2026
Laser and Microneedling May Help Improve Atrophic Acne Scars
A small study looked at the effectiveness of two treatments, a 1064nm Q-switched Nd:YAG laser and microneedling, in reducing the appearance of atrophic acne scars. Researchers found that both treatments may help improve the appearance of scars and quality of life for some people. However, more research is needed to confirm these findings.
Why it matters: Understanding how to effectively treat atrophic acne scars can help individuals with this condition feel more confident and improve their overall well-being.
This study had a small sample size of 30 patients and was retrospective, meaning it looked back at existing data rather than following patients over time. The study also had a short duration of follow-up, with assessments made at 1 and 4 months post-treatment.
SkinCareRadar is a public research monitor focused on skincare ingredients, routines, devices, and skin conditions and concerns. It translates dermatology and cosmetic science research into plain language for the general public.
Every finding is linked to its original source. Evidence stages are labeled clearly. We do not diagnose, recommend treatment, or give medical advice. We distinguish cosmetic improvement from medically significant outcomes.