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Skin lotion? Please tell me about basic skincare for this kind of skin.

I have sensitive skin, so there are some products that sting a little after I apply them. That's why I'm looking for recommendations.

Also, I have really bad blackheads, especially on my nose, so please let me know some methods or products to dissolve them.🥺🥺

And hair ironing techniques? Please recommend a hair iron too.

Maybe it's because of the new semester, but I've become really interested in my appearance lately, so I'm extremely curious. Please let me know if you have any other information.