yayang quartz stone is a brand. According to the query of Aiqi, the trademark of Yayang has been registered for three years and is a brand. Yayang is a French skin care brand. Yayang was originally an ancient and warm town in the Severn Mountains in southwest France, 8 kilometers away from the Mediterranean Sea. The function of Avena is anti-allergic and hydrating, so people of any age can use Avena, and anyone can use Avena as long as they need anti-allergic or soothing sensitivity. Moreover, Avon's skin care products do not contain hormones and heavy metals, and there is no harm to the skin.