Does facial sebum excretion really affect the development of acne?

Youn, Sang Woong; Es, Park; Dh, Lee; Ch, Huh; Kc, Park

doi:10.1111/j.1365-2133.2005.06794.x

Cited by 88 publications

(133 citation statements)

References 14 publications

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“…[24]. Moreover, the quantity of sebum from the face of acne patients was greater than that from healthy subjects [25]. From these findings, we suppose that an increase in the number of Malassezia spp.…”

Section: Discussionmentioning

confidence: 66%

Analysis of Facial Skin-Resident Microbiota in Japanese Acne Patients

et al. 2013

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Objectives: We investigated the facial skin microbiota of Japanese acne patients. Methods: Skin swab samples were obtained from 100 acne patients and 28 healthy controls to evaluate Propionibacterium and Staphylococcus spp. using a culture method. Malassezia spp. were evaluated using a nonculture method. Antibiotic resistance of Propionibacterium spp. was also examined. Results: Acne patients and controls did not show significant differences in Propionibacterium and Staphylococcus spp. populations. However, the number of Malassezia globosa from patients was greater than that from controls. Moreover, the number of Propionibacterium spp. from patients carrying antibiotic-resistant strains was significantly greater than that from patients not carrying them. Conclusions: The present study characterized the facial skin microbiota of Japanese acne patients, suggesting a correlation between acne and quantitative differences in Malassezia microbiota. It was also found that the antibiotic resistance of Propionibacterium spp. may affect its abundance in the skin.

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Section: Discussionmentioning

confidence: 66%

Analysis of Facial Skin-Resident Microbiota in Japanese Acne Patients

et al. 2013

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“…The effect of skin pH on the growth of Proprionibacterium acnes [25, 26], the induction of an inflammatory process [27] and the negative impact of oleic acid in the pilosebaceus glands on the growth of P. acnes [28] are known. Regular sauna seems to decrease one of the basic requirements for the development and aggravation of acne [29]. …”

Section: Discussionmentioning

confidence: 99%

Effect of Regular Sauna on Epidermal Barrier Function and Stratum Corneum Water-Holding Capacity in vivo in Humans: A Controlled Study

Kowatzki¹,

Macholdt²,

Krull³

et al. 2008

Dermatology

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During the last few years, sauna has become the epitome of wellness. Besides studies in general medicine evaluating the health benefit of sauna, e.g. on the cardiovascular system, no systematic study regarding skin physiology has been published. The present exploratory study was intended to analyse the effect of regular Finnish sauna on skin physiology. The effect of regular sauna bathing was assessed with non-invasive instruments: stratum corneum water-holding capacity, skin redness, transepidermal water loss and surface skin pH were analysed in 41 healthy volunteers, aged 20–49 years, in a group with regular sauna exposure compared to a control group with no regular sauna exposure. A more stable epidermal barrier function, an increase in stratum corneum hydration, a faster recovery of both elevated water loss and skin pH after exposure to 2 × 15 min sauna at 80°C could be demonstrated in volunteers with regular sauna. Heart beat rate and ionic concentration in sweat as well as epidermal blood perfusion showed a training effect under regular sauna. A decrease in casual skin sebum content on the skin surface of the forehead was observed in these volunteers. The present data suggest a protective effect of regular sauna on skin physiology, especially surface pH and stratum corneum water-holding capacity.

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“…The oily skin causes clinical signs that bother and greatly influence the lives of people, and the excess of skin oil can cause from psychological discomforts to skin problems such as acne [8].…”

Section: Resultsmentioning

confidence: 99%

“…The photoprotection assay followed the protocol described by Colipaand recommended by Brazilian guidelines [7,8]. The samples were accurately and quickly weighed (to reduce product evaporation and dryness) to satisfy the application rate of 1.3 mg cm -2 in each PMMA plate (actual quantity applied: 32.5 mg, determined by weighing the plates before and immediately after applying the products).…”

Section: In Vitro Determination Of the Photoprotective Potentialmentioning

confidence: 99%