A Cohort Clinical Study on the Efficacy of Topical Salicylic Acid/Piroctone Olamine Dandruff Pre-Gel and Cleanser in Improving Symptoms of Moderate to Severe Seborrheic Dermatitis of the Scalp

IF 2.3 4区医学 Q2 DERMATOLOGY

Journal of Cosmetic Dermatology Pub Date : 2025-01-07 DOI:10.1111/jocd.16742

Ling Ge, Zhiqing Liu, Shanhua Xu, Chuying Li, Meitong Jin, Yinli Luo, Yanli Kong, Jingbi Meng, Ge Zheng, Junzhi Gao, Ping Wang, Wei Bai, Heya Na, Xianchun Zhou, Zhehu Jin, Longquan Pi

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Abstract

Background

Scalp seborrheic dermatitis (SD) is a chronic, recurrent inflammatory skin condition associated with scalp sebum secretion and dysbiosis.

Aims

The aim of this study is to evaluate the efficacy and safety of a topical salicylic acid/piroctone olamine/zinc salt of L-pyrrolidone carboxylate (Zinc PCA) scalp pre-application gel in combination with a salicylic acid/piroctone olamine/antimicrobial peptide cleansing lotion for the treatment of moderate to severe scalp SD.

Patients/Methods

In this prospective cohort study, 20 patients with moderate to severe scalp SD were treated with a combination of the scalp pre-application gel and cleansing lotion for 4 weeks (one tube of the pre-application gel per week and the cleansing lotion used every 1–3 days depending on the frequency of hair washing). This was followed by maintenance treatment with the cleansing lotion for 12 weeks. Efficacy was assessed through clinical and trichoscopic examinations, measuring the severity of dandruff, itching, erythema, and greasiness using a 4-point scale.

Results

This cohort study included a total of 20 patients with moderate to severe scalp SD. By the 4th week, the average dandruff score had significantly decreased from a baseline of 2.45 to 1.10 (p < 0.01). The average itchiness score reduced from 2.35 to 1.10 (p < 0.01), the erythema score dropped from 1.55 to 1.10 (p < 0.05), and the greasiness score decreased from 2.60 to 1.40 (p < 0.01). After 16 weeks, 12 patients with severe SD improved to mild SD, and six patients with moderate SD also improved to mild. During the treatment, two patients experienced a recurrence of dandruff, which subsequently resolved. The overall clinical improvement was 80%.

Conclusions

Our study results indicate that the combination treatment of the scalp pre-application gel and cleansing lotion is highly effective and safe for treating SD. The subsequent use of the cleansing lotion effectively maintains the benefits of the combined treatment. Trichoscopic examination provides accurate and reliable quantifiable data, aiding in the monitoring of treatment progress.

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来源期刊

Journal of Cosmetic Dermatology DERMATOLOGY-

CiteScore

4.30

自引率

13.00%

发文量

818

审稿时长

>12 weeks

期刊介绍： The Journal of Cosmetic Dermatology publishes high quality, peer-reviewed articles on all aspects of cosmetic dermatology with the aim to foster the highest standards of patient care in cosmetic dermatology. Published quarterly, the Journal of Cosmetic Dermatology facilitates continuing professional development and provides a forum for the exchange of scientific research and innovative techniques. The scope of coverage includes, but will not be limited to: healthy skin; skin maintenance; ageing skin; photodamage and photoprotection; rejuvenation; biochemistry, endocrinology and neuroimmunology of healthy skin; imaging; skin measurement; quality of life; skin types; sensitive skin; rosacea and acne; sebum; sweat; fat; phlebology; hair conservation, restoration and removal; nails and nail surgery; pigment; psychological and medicolegal issues; retinoids; cosmetic chemistry; dermopharmacy; cosmeceuticals; toiletries; striae; cellulite; cosmetic dermatological surgery; blepharoplasty; liposuction; surgical complications; botulinum; fillers, peels and dermabrasion; local and tumescent anaesthesia; electrosurgery; lasers, including laser physics, laser research and safety, vascular lasers, pigment lasers, hair removal lasers, tattoo removal lasers, resurfacing lasers, dermal remodelling lasers and laser complications.