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First, laser hair growth helmets do exist, and they work pretty well. This product is FDA-approved, so there is no need to worry about its safety. The principle of the laser hair growth helmet is mainly to promote the absorption of nutrients by the scalp by emitting soft laser light. laser cap for hair growth，After the laser acts on the skin of the head, it can stimulate the heat in the skin, dilate the blood vessels, and speed up the blood circulation of the scalp.

The result of this is more nourishment to the hair. In addition, soft laser can also kill germs, kill fungi hidden deep in hair follicles, unclog sebaceous glands, and reduce oil secretion. Soft laser can also penetrate the hair follicles in the dermis of the scalp and increase the activity of the hair follicles. Soft laser has a stimulating effect on the hair follicles, which can activate the hair follicles and make the hair follicles function more active.

However, although the efficacy of the laser hair growth helmet is very good, it is only an auxiliary medical device and cannot replace the efficacy of drugs. If the hair follicles are closed and dead, then the laser hair growth helmet has no effect.

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