Hangzhou aldehyde has formaldehyde. The environmental protection label of all paints can only show that the content of harmful substances is not beyond the standard, but it does not mean that it is non-toxic and harmless. Only the content of formaldehyde and benzene is lower than that of ordinary paint. However, due to the cumulative effect of indoor space, environmental protection paint may be polluted if used too much, so don't rush to move in after painting, you must first open the window for ventilation and volatilize harmful substances before moving in.