The goal is to know the profile of photoaging based on clinical examination, Dermoscopic Photoaging Scale and leucocyte telomere length The main questions of Research are: * what is the profile of photoaging based on clinical examination results in skin aging * what is the profile of photoaging based on DPAS Score in skin aging * what is the profile of leucocyte telomere length in skin aging Participants are female and male with the age of 29-31 years old and 59-61 years old. They will be examined by dermatovenereologist and will be photographed in 5 positions, they will get dermocopy on forehead, right cheek , left cheek, and chin, and their blood will be drawn about 10 mL in order to get the profile of leucocyte telomere length
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profile of leucocyte telomere length
Timeframe: 1 year
Profile of skin examination from Glogau scale
Timeframe: 1 year
profile of skin examination with dermoscopic photoaging scale (DPAS)
Timeframe: 1 year