What do people with clear-looking skin really do differently?

You know how there are people around who have clear skin even without wearing heavy makeup?
Rather than having white skin, those people give the impression that their entire face looks clean and transparent.

I don't have a lot of skin problems, but I don't really get that clear look.

My skin tone is slightly dark, and my face looks even duller when I'm tired.

If I use a light foundation, it actually looks unnatural and stands out, but if I use a natural shade, the dullness remains.

So lately, I've been wondering if I should use whitening products, but then I think it might not just be a tone issue, but rather a problem with my skin texture or hydration.
If your skin is moisturized and has a smooth texture, it looks clearer even with the same skin tone, doesn't it?

I’ve heard that dermatology clinics offer a lot of treatments for skin tone and radiance, and I’m curious if you can actually feel the effects.
I don't necessarily want to get really pale; I just want my face to look less tired and a bit cleaner.

Do you have your own personal method for managing your skin to make it look clear?

Please really share any home care or treatments you've had that were good. I think hearing reviews from other people is the most realistic way to handle these kinds of things.