At present, all the beauty salons use small algae, and in the past few years, they used big algae. Because their gum yield is not as good as that of small algae, and their moisturizing effect is slightly inferior, they are basically eliminated now. Most of the cheap seaweeds are made in China, and the expensive ones are basically imported from Thailand, so the domestic price is relatively cheaper. However, the imported seaweed is dark brown in color, with high gum yield and good hydrating effect.

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