A letter from Dr. Koh许医师的来信
Not magic. Not pseudoscience. Pure physiology. Here is why micro-needling on meridian points triggers collagen like nothing in your bathroom cabinet ever has. 非魔法,亦非伪科学,乃纯粹生理学。微针刺激经络如何激活胶原——这是任何护肤品都做不到的。
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