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The relationship of immediate pigment darkening to minimal erythemal dose, skin type, and eye color.
Photodermatol. 1985 Oct; 2(5):288-94.P

Abstract

Immediate pigment darkening (IPD) was recorded in over 1,300 volunteers participating in routine sun protection factor (SPF) testing. Medical history obtained included skin type, hair color, eye color, sunburn sensitivity, tanning ability, and current medications. The presence of IPD and the energy needed to produce it were recorded immediately following exposure to a filtered 2500 W xenon are solar simulator. Minimal erythemal dose (MED) values were recorded 16-24 hours post-exposure. The average MED was lowest for skin type I and highest for skin type IV. The IPD dose was also lowest for skin type I and highest for skin type IV. However, the average IPD dose was greater than the MED for skin type I and lower than the MED for skin type IV. For skin types II and III, the average IPD dose and MED were almost equivalent. For skin type I, 64% required equivalent or greater energy to produce IPD than their MED, and 30% showed no IPD at energy levels sufficient to produce erythema, whereas all skin type IV's had a measurable IPD response. For volunteers of skin type II and III showing no measurable IPD, the predominant eye color was blue or green (74%). Sunscreen usage altered the IPD response for all 4 skin types.

Authors

No affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

4070027

Citation

Agin, P P., et al. "The Relationship of Immediate Pigment Darkening to Minimal Erythemal Dose, Skin Type, and Eye Color." Photo-dermatology, vol. 2, no. 5, 1985, pp. 288-94.
Agin PP, Desrochers DL, Sayre RM. The relationship of immediate pigment darkening to minimal erythemal dose, skin type, and eye color. Photodermatol. 1985;2(5):288-94.
Agin, P. P., Desrochers, D. L., & Sayre, R. M. (1985). The relationship of immediate pigment darkening to minimal erythemal dose, skin type, and eye color. Photo-dermatology, 2(5), 288-94.
Agin PP, Desrochers DL, Sayre RM. The Relationship of Immediate Pigment Darkening to Minimal Erythemal Dose, Skin Type, and Eye Color. Photodermatol. 1985;2(5):288-94. PubMed PMID: 4070027.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - The relationship of immediate pigment darkening to minimal erythemal dose, skin type, and eye color. AU - Agin,P P, AU - Desrochers,D L, AU - Sayre,R M, PY - 1985/10/1/pubmed PY - 1985/10/1/medline PY - 1985/10/1/entrez SP - 288 EP - 94 JF - Photo-dermatology JO - Photodermatol VL - 2 IS - 5 N2 - Immediate pigment darkening (IPD) was recorded in over 1,300 volunteers participating in routine sun protection factor (SPF) testing. Medical history obtained included skin type, hair color, eye color, sunburn sensitivity, tanning ability, and current medications. The presence of IPD and the energy needed to produce it were recorded immediately following exposure to a filtered 2500 W xenon are solar simulator. Minimal erythemal dose (MED) values were recorded 16-24 hours post-exposure. The average MED was lowest for skin type I and highest for skin type IV. The IPD dose was also lowest for skin type I and highest for skin type IV. However, the average IPD dose was greater than the MED for skin type I and lower than the MED for skin type IV. For skin types II and III, the average IPD dose and MED were almost equivalent. For skin type I, 64% required equivalent or greater energy to produce IPD than their MED, and 30% showed no IPD at energy levels sufficient to produce erythema, whereas all skin type IV's had a measurable IPD response. For volunteers of skin type II and III showing no measurable IPD, the predominant eye color was blue or green (74%). Sunscreen usage altered the IPD response for all 4 skin types. SN - 0108-9684 UR - https://www.unboundmedicine.com/medline/citation/4070027/The_relationship_of_immediate_pigment_darkening_to_minimal_erythemal_dose_skin_type_and_eye_color_ DB - PRIME DP - Unbound Medicine ER -