[Sun Care] Sunscreen, subcutaneous fat atrophy prevention? Perhaps suncreen can help prevent sagging.

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http://www.nature.com/articles/srep25616So this is rarely talked about, but wouldn't sunscreen prevent sagging facial skin and sagging facial fat? I ask this because it seems that UVA light damages not only the structural collagen and elastin, but that it also lessens the amount of subcutaneous fat as according to a fairly recent study. Yes collagen and elastin hold out facial tissues in place, but so does subcutaneous fat. The subcutaneous facial fat, holds up Other facial fat, preventing sagging until said fat atrophies in different places. example, when people lose mid facial fat, the fat directly below that sags to some degree. Midfacial fat, when lost allows for sagging of the nasolabial folds. So, as long as we are in agreement that UVA light causes the atrophy of subcutaneous fat, could we agree that blocking said UVA light with sunblock prevents that sagging?Do any of you notice that your facial sagging in any degree has been prevented or lessened via sunscreen usage? Because black people tend to have melanin that acts a natural sunscreen and the reason they look younger at higher age is not just due to their skin tone being great, but also the lack of facial sagging, leading them to often be guessed at a younger age. What do you guys think
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Submitted by electrickazooartist