Regional and seasonal variations in facial sebum secretions: a proposal for the definition of combination skin type

doi:10.1111/j.1600-0846.2005.00119.x

Paper

Regional and seasonal variations in facial sebum secretions: a proposal for the definition of combination skin type

Published Aug 1, 2005 · S. Youn, J. Na, S. Choi

Skin Research and Technology

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119

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1

Influential Citations

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Abstract

Background/aims: Facial sebum secretions are known to change under various circumstances. Facial skin types have been categorized as oily, normal, dry, and combination types. However, these have been evaluated subjectively by individuals to date, and no objective accepted standard measurement method exists. The combination skin type is most common, but its definition is vaguer than the definitions of the other skin types.

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Study Snapshot

Combination skin type should be defined as a skin type that varies regionally and seasonally, with an objective measurement method to better understand its characteristics.

PopulationOlder adults (50-71 years)

Sample size24

MethodsObservational

OutcomesBody Mass Index projections

ResultsSocial networks mitigate obesity in older groups.

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Paper

Regional and seasonal variations in facial sebum secretions: a proposal for the definition of combination skin type

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References

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A standardised degreasing procedure for seborrheic areas in different skin types can effectively remove contamination without provoking sebum excretion, ensuring accurate measurements of gland activity.

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Two parameters, sebum excretion rate (SER) and skin surface relief (SSR), can be used to classify facial skin types in Korean women, aiding in the selection of suitable skin care and makeup products.

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Epidermal lipids contribute minimally to skin surface lipids in areas rich in sebaceous glands, but can affect composition on limbs and trunks away from the midline.

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