Redness and swelling of the skin after squeezing blackheads is a manifestation of skin inflammation, you can use cold compresses to calm the skin with repair or anti-inflammatory ointment or skin care products to repair, but it is generally not recommended to squeeze blackheads by hand, which will aggravate the damage, infection and so on.
After squeezing blackheads by hand, you will find that the skin is red and swollen, which is a sign of inflammation of the skin after squeezing blackheads. It is recommended to use saline or ice to apply cold compresses to the skin to calm down the redness and swelling. Then choose an anti-inflammatory ointment, such as erythromycin, fusidic acid cream, or skin care products such as cream containing ceramides to apply around the nose.
It is recommended not to squeeze blackheads by hand, as improper handling may damage the skin barrier and cause infection. If you find that your skin is red and swollen after squeezing blackheads, you can treat it as described above. If the skin is still uncomfortable, it is recommended to go to the dermatology department of the hospital.