One look at the surface characteristics, the surface of genuine Colla Corii Asini is dark brown, the gum block is very flat, uniform color, no oil holes, air holes. The surface of the fake Colla Corii Asini glue block is usually brownish yellow or greenish yellow, some have oil holes, air holes, etc., and the glue block is not too regular.

The second is to look at the texture, the genuine Colla Corii Asini has a hard and brittle texture, and when the glue block is placed on the desktop or a hard object and gently patted, it will be patted and shattered into countless small pieces, while the fake Colla Corii Asini is not easy to be patted and shattered.

Thirdly, smell, the genuine Colla Corii Asini smells a light fragrance, while the fake Colla Corii Asini has a pungent odor, or fishy smell.

Expanded:

How to buy:

The first trick? Recognize the brand so that fake and shoddy products have no place to hide

First of all, we must learn to look at the packaging, authentic Dong'a Gum's packaging and logo is professionally designed, registered and certified. Dong'a Gum right side of the package printed text has a sense of concavity and convexity, logos, patterns and clear lines.

Packaging surface of the gum block color uniformity, smooth surface, and printed "Dong'a Gum" product logo by the auspicious cloud and Dong'a Gum four words, to be recognized? Logo, and the location of the registered trademark logo in the auspicious cloud pattern? the upper right corner.

The second trick? Look at the product

Authentic Colla Corii Asini has a yellow translucent such as amber, or light black such as Ying Lacquer for the real, the real one does not make the skin smell, summer is not wet and soft and so on, these can be identified from the gelatin block itself:

Dong'a Colla Corii Asini: is a rule of the rectangle, the surface of the tan color, bright, the front of the gelatin block printed "Dong'a Colla Corii asiatica" upright, clear, uniform color, no pores, and the color is uniform. Clear, uniform color, no air holes and oil holes, smell fragrant, hard and brittle, a pat that is broken.

The third trick? Call

Where the real Dong'a Gum, packaging has anti-counterfeiting mark, this point is to identify the "real Kui, fake ghost" of the weight. Buy gum, as long as the anti-counterfeiting label coating on the scratch box, call the phone are free of charge. According to the voice prompts to enter all the anti-counterfeiting code, press "#" end, you can immediately know the authenticity, consumers are advised to carefully check the purchase.

People's Daily Online - expert tips: how to identify the authenticity of the gum

People's Daily Online - four "tricks" to teach you to select authentic gum!