There are several simple ways to identify the pros and cons of fiber products (baths, cotton pads, pillows, etc.).
One is the eye. In general, black cotton does not look so smooth, it has a rough feeling, and the quality of cotton is white.
The second is the feel. Normal cotton feels softer, has a certain elasticity, feels good, and black cotton has impurities and feels rough.
The third is tearing. By tearing, consumers can feel the strength of cotton. In general, black cotton has no strength and tears off.
The fourth is smell. The black heart cotton is subjected to a bleaching process during processing, and there is a slight acidity in the fine smell. The high quality cotton has no pungent smell when burned, while the black heart cotton has a distinct pungent smell.
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