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Effect of olive and sunflower seed oil on the adult skin barrier: implications for neonatal skin care.
Pediatr Dermatol. 2013 Jan-Feb; 30(1):42-50.PD

Abstract

Natural oils are advocated and used throughout the world as part of neonatal skin care, but there is an absence of evidence to support this practice. The goal of the current study was to ascertain the effect of olive oil and sunflower seed oil on the biophysical properties of the skin. Nineteen adult volunteers with and without a history of atopic dermatitis were recruited into two randomized forearm-controlled mechanistic studies. The first cohort applied six drops of olive oil to one forearm twice daily for 5 weeks. The second cohort applied six drops of olive oil to one forearm and six drops of sunflower seed oil to the other twice daily for 4 weeks. The effect of the treatments was evaluated by determining stratum corneum integrity and cohesion, intercorneocyte cohesion, moisturization, skin-surface pH, and erythema. Topical application of olive oil for 4 weeks caused a significant reduction in stratum corneum integrity and induced mild erythema in volunteers with and without a history of atopic dermatitis. Sunflower seed oil preserved stratum corneum integrity, did not cause erythema, and improved hydration in the same volunteers. In contrast to sunflower seed oil, topical treatment with olive oil significantly damages the skin barrier, and therefore has the potential to promote the development of, and exacerbate existing, atopic dermatitis. The use of olive oil for the treatment of dry skin and infant massage should therefore be discouraged. These findings challenge the unfounded belief that all natural oils are beneficial for the skin and highlight the need for further research.

Authors+Show Affiliations

Academic Unit of Dermatology Research, Department of Infection and Immunity, Faculty of Medicine, Dentistry and Health, University of Sheffield Medical School, Sheffield, UK. s.danby@sheffield.ac.ukNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Comparative Study
Journal Article
Randomized Controlled Trial
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

22995032

Citation

Danby, Simon G., et al. "Effect of Olive and Sunflower Seed Oil On the Adult Skin Barrier: Implications for Neonatal Skin Care." Pediatric Dermatology, vol. 30, no. 1, 2013, pp. 42-50.
Danby SG, AlEnezi T, Sultan A, et al. Effect of olive and sunflower seed oil on the adult skin barrier: implications for neonatal skin care. Pediatr Dermatol. 2013;30(1):42-50.
Danby, S. G., AlEnezi, T., Sultan, A., Lavender, T., Chittock, J., Brown, K., & Cork, M. J. (2013). Effect of olive and sunflower seed oil on the adult skin barrier: implications for neonatal skin care. Pediatric Dermatology, 30(1), 42-50. https://doi.org/10.1111/j.1525-1470.2012.01865.x
Danby SG, et al. Effect of Olive and Sunflower Seed Oil On the Adult Skin Barrier: Implications for Neonatal Skin Care. Pediatr Dermatol. 2013 Jan-Feb;30(1):42-50. PubMed PMID: 22995032.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Effect of olive and sunflower seed oil on the adult skin barrier: implications for neonatal skin care. AU - Danby,Simon G, AU - AlEnezi,Tareq, AU - Sultan,Amani, AU - Lavender,Tina, AU - Chittock,John, AU - Brown,Kirsty, AU - Cork,Michael J, Y1 - 2012/09/20/ PY - 2012/9/22/entrez PY - 2012/9/22/pubmed PY - 2013/8/8/medline SP - 42 EP - 50 JF - Pediatric dermatology JO - Pediatr Dermatol VL - 30 IS - 1 N2 - Natural oils are advocated and used throughout the world as part of neonatal skin care, but there is an absence of evidence to support this practice. The goal of the current study was to ascertain the effect of olive oil and sunflower seed oil on the biophysical properties of the skin. Nineteen adult volunteers with and without a history of atopic dermatitis were recruited into two randomized forearm-controlled mechanistic studies. The first cohort applied six drops of olive oil to one forearm twice daily for 5 weeks. The second cohort applied six drops of olive oil to one forearm and six drops of sunflower seed oil to the other twice daily for 4 weeks. The effect of the treatments was evaluated by determining stratum corneum integrity and cohesion, intercorneocyte cohesion, moisturization, skin-surface pH, and erythema. Topical application of olive oil for 4 weeks caused a significant reduction in stratum corneum integrity and induced mild erythema in volunteers with and without a history of atopic dermatitis. Sunflower seed oil preserved stratum corneum integrity, did not cause erythema, and improved hydration in the same volunteers. In contrast to sunflower seed oil, topical treatment with olive oil significantly damages the skin barrier, and therefore has the potential to promote the development of, and exacerbate existing, atopic dermatitis. The use of olive oil for the treatment of dry skin and infant massage should therefore be discouraged. These findings challenge the unfounded belief that all natural oils are beneficial for the skin and highlight the need for further research. SN - 1525-1470 UR - https://www.unboundmedicine.com/medline/citation/22995032/Effect_of_olive_and_sunflower_seed_oil_on_the_adult_skin_barrier:_implications_for_neonatal_skin_care_ L2 - https://doi.org/10.1111/j.1525-1470.2012.01865.x DB - PRIME DP - Unbound Medicine ER -