Skin care products such as muscle brand have high sales and reputation in the market and belong to high-end skin care products. Its authenticity can be identified from the following aspects:

1. Observe the packaging box and bottle: the packaging box and bottle of genuine skin care products are usually printed clearly, with beautiful patterns and words. Touch the surface of the bottle with your hand, and it should feel smooth without burr or unevenness.

2. Check the texture of the product: you can judge the authenticity by observing the texture of the product. For example, the matte essence of muscle blue copper peptide should be a transparent liquid, with a refreshing and non-greasy texture and a faint fragrance. If the texture is sticky or has a pungent smell, it is probably not genuine.

3. Check the anti-counterfeiting label: Many high-end skin care products have anti-counterfeiting labels, which can be identified by scanning the QR code or entering the serial number.

4. Buy from regular channels: If you want to buy skin care products such as muscle brand, it is best to buy them from shopping malls, counters or officially authorized online shopping malls. These channels usually have strict control over product quality.

Through the above methods, we can identify the authenticity of matte essence such as copper peptide sarcosine. Please note that the above methods are only suitable for judging whether skin care products are genuine or not, and cannot guarantee whether their sales channels are formal or not. If you have any questions about the purchase channel, it is recommended to contact the official of Ruji directly for consultation.