As your hormones begin to change, you may start noticing thinner hair. “As estrogen fluctuates toward an overall trend of less, the counterpart hormones are increasing,” Schaffer says.
When these hormones increase, you may notice your strands feeling lighter. “The rise in androgens shrinks the hair shaft, [so] individual hair diameter shrinks,” she explains.
These androgens also stunt growth, so you may experience less volume and fewer baby hairs than you once had. These changes won’t happen overnight but may start to take around your mid-30s, Schaffer adds.
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