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Cutaneous Effects of Sunlight by Mind Map: Cutaneous Effects of Sunlight
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Cutaneous Effects of Sunlight

e.g., Oxybenzone

Terminology

Action Spectrum

the wavelength that produces a  biologic effect

Absorption Spectrum

the wavelengths that are absorbed by a chemical.

MED

SPF

Photo-Toxic Reaction

Photo-Allergic Reaction

Photo-sparing areas of the Head and Neck

Units

UV Hardening

A therapy used to improve tolerance for environmental  ultraviolet radiation (UVR) in photosensitive  disorders.

Skin Reactions to Sunlight

Normal

Abnormal

General

Skin Phototypes

Fitzpatrick, TB: Soleil et peau. J Med Esthétique 1975 2: 33–34

Wavelengths (nm)

  Energy is directly proportional to the frequency and inversely so to the wavelength Becuse UVB and UVC are rapidly absorbed by DNA of the epidermal cells, they do not penetrate epidermis UVA (dermatoheliosis)and visible light (e.g., blue nevus) penetrate dermis and are absorbed by aromatic amino acids, collagen, elastin, and ground substance.

Depth of photon skin penetration is directly proportional to wavelength

UVA

UVB

UVC

Action Spectra

Sunscreens

Phototesting