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Clin Pharmacol. 2018 Dec 13;10:175-181. doi: 10.2147/CPAA.S180474. eCollection 2018.

Treatment of acne with a combination of propolis, tea tree oil, and Aloe vera compared to erythromycin cream: two double-blind investigations.

Author information

1
Skinlab, Department of Biomedical Sciences, University of Sassari, Sassari, Italy, vmazza@uniss.it.

Abstract

Introduction:

Antibiotics that suppress Propionibacterium acnes are the standard treatment for acne but are becoming less effective, due to the appearance of antibiotic-resistant strains. Many plants are known to have innate antimicrobial action and can be used as alternatives to antibiotics; thus, it is necessary to prove their effectiveness in vivo. This study aimed to evaluate the anti-acne efficacy of a new cream based on three natural extracts, comparing it to erythromycin cream and placebo.

Patients and methods:

Sixty patients with mild to moderate acne vulgaris were randomly divided into three groups: treated with cream containing 20% propolis, 3% "tea tree oil", and 10% "Aloe vera" (PTAC) (n=20); or with 3 % erythromycin cream (ERC) (n=20); or with placebo (n=20). At baseline, after 15 and 30 days, investigators evaluated response to treatment by counting acne lesions through noninvasive measurements and macrophotography.

Results:

All the clinical and instrumental values studied were statistically different from placebo except for sebometry, pHmetry, and erythema index values, measured on healthy skin. Unlike in the placebo group, papular and scar lesions showed high erythema reduction after 15 and 30 days of PTAC and ERC application.

Conclusion:

The PTAC formulation was better than ERC in reducing erythema scars, acne severity index, and total lesion count.

KEYWORDS:

Aloe barbadensis; Melaleuca alternifolia oil; antibiotic resistance; noninvasive analysis; phytotherapy; propolis

Conflict of interest statement

Disclosure The authors report no conflicts of interest in this work.

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