Crepey skin: Is there anything that can be done to tighten the skin on thighs and calves or arms? (photos)

I am 50 years old and for the past few years am noticing very crepey skin on my legs and arms. Since my moms arms and legs are like this, I knew this would happen to me as well but it makes me feel like an old lady and I never wear anything but pants and long sleeves. This is so embarrassing and a source of great stress to me.

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