1. Brand background and ownership: Luyang is a brand managed by Taj Tianjiao (China) Cosmetics Company, a wholly-owned subsidiary of Sudtana International Cosmetics Department in Thailand. This shows that Lvyang is a brand managed by a professional cosmetics company with certain background and support.

2. Product features and efficacy: Green Yang pore-shrinking essence contains natural moisturizing function, which can help skin retain moisture, and contains carbonate ions, which can promote skin cell regeneration, maintain skin balance and prevent premature aging. This shows that Lvyang's products have a certain repair and maintenance effect, aiming at providing comprehensive and in-depth skin care.