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Derma rollers have become increasingly popular for their ability to help stimulate hair growth. Available in a range of sizes, the 0.25mm derma roller is one of the most commonly used sizes, and is suitable for most hair and scalp types.
Using a derma roller helps generate collagen and promote hair growth by creating small, shallow micro-channels in the skin. This helps the body produce new cells and collagen that are essential for healthy hair, and can help combat thinning hair.
The size of a derma roller is ...
