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Background: Prolonged use of medical masks has increased skin‐related issues. Aim: To evaluate the efficacy of a facial cream and facial mask in mitigating medical mask related skin symptoms. Methods: Healthy women were randomly assigned to apply a facial cream (n = 32) or a facial mask plus a facial cream (n = 32) on half‐faces after wearing medical masks for 4 h (Tb). Transepidermal water loss (TEWL), dryness score, and redness area were assessed at Tb and 10 min after using the cream (T1) in the facial cream group, and at Tb, 1 h after using the facial mask (T2), and 10 min after using the cream (T3) in the combined use group. Results: In the facial cream group, the treated half‐face showed significantly better improvements from Tb to T1 in TEWL (−2.95 ± 0.38 vs. −0.68 ± 0.35 g/h·cm2, p < 0.001) and skin dryness score (−1.00 ± 0.12 vs. 0.00 ± 0.00, p < 0.001). In the combined use group, the treated half‐face showed significantly better improvements from Tb to T2 and T3 in TEWL (T2, −3.46 ± 0.33 vs. −0.09 ± 0.13 g/h·cm2; T3, −4.67 ± 0.31 vs. −0.28 ± 0.22 g/h·cm2) and skin dryness score (T2, −0.63 ± 0.13 vs. 0.03 ± 0.03; T3, −0.94 ± 0.17 vs. 0.19 ± 0.07) (all p < 0.001) then the untreated half‐face. The combined use group had significantly lower TEWL at T3 than T2 (p < 0.05). The reduction in redness area was similar between the treated and untreated half‐faces in both groups. Conclusions: The test facial cream and mask significantly improved skin barrier function and alleviated dryness symptoms associated with medical mask use, with the combined use offering superior benefits. [ABSTRACT FROM AUTHOR]

BACKGROUND: Oily skin, characterized by excessive sebum production, can lead to acne and have psychosocial impacts due to changes in appearance. Recent research has shown interest in treatments for oil control, with kaolin and bentonite emerging as promising options. Despite their potential, comprehensive studies on these ingredients are still in the nascent stages. AIM: This study aimed to assess the efficacy of a clay mask (La Roche‐Posay Effaclar Sebo‐Controlling Mask) in reducing skin oiliness and acne, and its safety for use. METHODS: In this study, 75 adults with oily or combination skin were enrolled and provided with a clay mask for twice‐weekly use over 4 weeks. Clinical assessments, using instruments like Sebumeter, Vapometer, and Corneometer, were conducted at baseline, and after 1, 2, and 4 weeks, evaluating acne lesions, skin irritation, sebum content, and skin hydration. Participant self‐assessment questionnaires were also utilized for subjective evaluation. Statistical analyses were performed accordingly. RESULTS: The study revealed significant improvements in acne‐related outcomes, sebum content, skin evenness, stratum corneum water content, and transepidermal water loss following the application of the clay mask. Pore area and porphyrin area showed no significant changes. Tolerance assessment showed reduced dryness and irritation, with self‐assessment indicating high product acceptability and perceived oil control effectiveness. CONCLUSION: This study demonstrated the clay mask's efficacy in managing acne and oily skin, improving hydration and texture. Significant improvements in skin parameters and high product safety were observed, supporting its suitability. [ABSTRACT FROM AUTHOR]