China Brush Each Bottle. Chinese Brush Oil is made from pure herbal essences that gives you harder and longer erection. Since is it a natural herbal medicine, it does not have any side effects unlike Viagra that is contraindicated to users who have hypertension or stroke history. Chinese brush oil is also known as Suifan`s Kwang Tze Solution. It is a herbal medicine that is rich in different Chinese herbs and provides strength and creates an amazingly potent premature ejaculation remedy. Men have been using this product in Asia for years to prolong their erections and increase sexual activity and vitality. It is intended to be an effective sex oil tonic to help to keep your penis stiff for a long long time. Chinese Brush is designed to reduce penile sensitivity to thus enable you to perform longer and harder. Realistically determine you moment of ejaculation! 100% safe and renowned for its effectiveness!