◆ Notable findingA finding from a controlled trial, systematic review, or meta-analysis with noteworthy results.Systematic ReviewSummary and analysis of existing published studies.AcnePublished: December 7, 2025
Sweeteners May Help Regulate Acne Pathogenesis
Researchers studied the effects of nutritive and non-nutritive sweeteners on acne. They found that some non-nutritive sweeteners, like mannitol and xylitol, may help regulate acne and have antibacterial properties. However, more research is needed to confirm these findings.
Why it matters: Understanding how sweeteners affect acne could lead to new dietary recommendations and treatments for this common skin condition.
This review is based on existing research and does not provide new experimental evidence. The findings are based on a systematic review of previous studies, which may have their own limitations and biases.
◆ Notable findingA finding from a controlled trial, systematic review, or meta-analysis with noteworthy results.Controlled TrialControlled human study, often randomized. Stronger evidence.WrinklesPublished: December 1, 2025
Supramolecular Bakuchiol and Terminalia Chebula Extract May Help Improve Facial Photoaging in Sensitive Skin
A small study in China looked at whether a new skincare serum containing supramolecular Bakuchiol and Terminalia chebula extract can help improve facial photoaging in people with sensitive skin. The serum was applied twice daily for 28 days and its effects on skin sensitivity, barrier function, and aging were measured. Researchers found some positive results, but more studies are needed to confirm these findings.
Why it matters: This study may help skincare researchers and developers better understand how to address aging concerns in sensitive skin, which is a common issue in Asian populations.
This study had a small sample size of 34 participants and was conducted over a relatively short period of 28 days.
In VitroCell or tissue culture experiments. No human or animal data.Published: June 23, 2025
Bakuchiol Delivery in Skincare: Researchers Compare Nanocarrier Performance
Bakuchiol, a natural skincare agent, was studied in lab experiments to see how different delivery methods affect its absorption into the skin. Researchers compared the performance of various nanocarriers, including micelles, microemulsions, and nanoemulsions. They found that nanoemulsions were more effective at delivering bakuchiol into the skin, particularly into the epidermis and dermis.
Why it matters: This study may help skincare developers create more effective products that deliver natural ingredients like bakuchiol into the skin.
Lab experiments only; results may not translate to human skin; further studies are needed to confirm findings.
Small Human StudySmall or uncontrolled human study. Results are preliminary.Fine LinesPublished: May 1, 2025
Researchers Study Skincare Regimen for Pre-Aging Prevention
A study of 180 subjects identified early signs of pre-aging, including uneven skin tone, fine lines, and roughness. Researchers found that a skincare regimen containing a novel peptide, acetyl dipeptide-31 amide, may help improve these signs. The study also found that younger skin is more responsive to retinoids and produces more ROS after UVA exposure.
Why it matters: Understanding pre-aging and its prevention may help individuals take proactive steps to maintain youthful skin.
This study had a small sample size and was conducted over a short duration of 12 weeks. The study's findings are based on a single clinical trial.
Animal StudyResults in animals only. May or may not translate to humans.Published: April 1, 2025
Bakuchiol and Acetyl Hexapeptide-8 May Help with Moisturizing and Anti-Inflammatory Effects
Researchers studied the effects of bakuchiol and acetyl hexapeptide-8 on zebrafish embryos. They found that these compounds may have moisturizing, anti-inflammatory, antioxidant, and telomerase-boosting properties. However, more research is needed to confirm these findings.
Why it matters: This study may help us better understand how certain skincare ingredients work and how they could potentially benefit skin health.
This study was conducted in a lab using zebrafish embryos, which may not directly translate to human skin. The findings are based on a small number of subjects and require further investigation.
◆ Notable findingA finding from a controlled trial, systematic review, or meta-analysis with noteworthy results.Systematic ReviewSummary and analysis of existing published studies.HyperpigmentationPublished: March 23, 2025
Phenolic Compounds in Skincare Products: A Study of Their Potential Benefits
Researchers studied 1299 skincare products to see how often they contain phenolic compounds, which may help protect the skin from sun damage and aging. They found that some products contain phenolic compounds like bakuchiol and resveratrol, which may have antioxidant and anti-inflammatory effects. However, the study suggests that these compounds are not widely used in skincare products.
Why it matters: Understanding the potential benefits of phenolic compounds in skincare products may help consumers make informed choices about their skin care routines.
The study analyzed commercial products, not clinical trial data, and did not investigate the effectiveness of these compounds in human skin.
Animal StudyResults in animals only. May or may not translate to humans.Published: February 18, 2025
Coumarin and Bakuchiol Combination May Exacerbate Liver Injury
Researchers studied the effects of combining coumarin and bakuchiol, two key compounds in the traditional Chinese medicine Psoralea corylifolia L., on liver health in mice under immune stress. They found that co-administering these compounds may increase liver injury. However, more research is needed to understand the potential risks.
Why it matters: This study may help skincare professionals and users understand potential interactions between traditional medicine compounds and liver health.
This study was conducted in mice and may not translate to human liver health. The results are based on a single experiment and require further investigation to confirm the findings.
In VitroCell or tissue culture experiments. No human or animal data.Sensitive SkinPublished: January 1, 2025
New Lab Model May Help Researchers Study Sensitive Skin Inflammaging
Researchers developed a new lab model to study sensitive skin inflammaging, a condition where skin becomes inflamed and ages prematurely. They tested two ingredients, supramolecular bakuchiol and extract, to see if they could reduce inflammation and promote healthy skin. The study found that these ingredients may have anti-inflammatory effects, but more research is needed to confirm these findings.
Why it matters: Understanding sensitive skin inflammaging could lead to the development of new skincare products that help prevent or reduce this condition.
This study was conducted in a lab using a cell culture model, and the results may not translate to human skin. Further research is needed to confirm the findings and determine the effectiveness of these ingredients in real-world settings.
Animal StudyResults in animals only. May or may not translate to humans.WrinklesPublished: July 16, 2024
Tricholoma matsutake extract may help reduce UVB-induced skin aging
Researchers studied a combination of Tricholoma matsutake extract, bakuchiol, and ergothioneine for its potential to delay skin aging caused by UVB exposure. They found that this combination may reduce inflammation and promote collagen production in mice skin. However, more research is needed to confirm these findings.
Why it matters: This study may contribute to the development of natural anti-aging skincare products.
This study was conducted in mice and its results may not be directly applicable to humans. The study's findings are based on lab experiments and animal models, which may not accurately reflect human skin aging.
◆ 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 1, 2024
Bakuchiol's Effectiveness for Skin Disorders Studied in Human Trials
Researchers studied the use of bakuchiol, a potential retinoid alternative, in treating facial skin disorders like aging, acne, and post-inflammatory hyperpigmentation. However, the trials had limitations, such as lack of control groups and inconsistent dosing. More research is needed to understand bakuchiol's efficacy.
Why it matters: This study may help skincare professionals and consumers understand the potential benefits and limitations of bakuchiol for treating various skin conditions.
Trials lacked methodologic rigor, had high risk of bias, and used combination therapies, making it difficult to compare bakuchiol's efficacy with retinoids. Twelve trials were unblinded, open-label, and without control groups, and four trials did not specify the dose or concentration of bakuchiol.
Animal StudyResults in animals only. May or may not translate to humans.WrinklesPublished: March 18, 2024
Glabridin and Bakuchiol May Help Reduce Skin Damage from UVB
A small study suggests that glabridin and bakuchiol may help reduce skin damage caused by UVB rays in mice. Researchers found that these compounds may decrease inflammation and improve skin health. However, more research is needed to confirm these findings.
Why it matters: This study may contribute to a better understanding of how to prevent or alleviate skin damage from UVB exposure.
This study was conducted in mice and may not be directly applicable to humans. The results may not translate to human skin or other forms of UVB exposure.
In VitroCell or tissue culture experiments. No human or animal data.HyperpigmentationPublished: December 28, 2023
Depigmenting Agents Were Studied for Photoreactivity, Efficacy, and Safety
Researchers studied six depigmenting agents to see how they interact with sunlight, how well they work, and whether they are safe for skin. They found that some agents may be less likely to cause skin damage from sunlight, and that a few agents may be effective at reducing skin pigmentation. However, more research is needed to confirm these findings.
Why it matters: This study may help skincare product developers create safer and more effective products for reducing skin hyperpigmentation.
This study was conducted in a lab and used animal cells, so its findings may not directly apply to human skin. More research is needed to confirm the results and to understand how these agents work in real-world conditions.