What are some cost-effective dermatology procedures?

I feel the need to take care of my skin these days, but with prices rising so much, I am someone who finds it burdensome to spend a large amount of money all at once.

However, I feel there are limits to relying solely on cosmetics at home, so I am looking into dermatological procedures.

When I search online, there are so many types of treatments that it's hard to decide which one to choose. Is there a treatment that is relatively affordable while still offering visible results, such as improved skin tone or texture? I'd like to try it once, and if I'm satisfied, I'd like to continue with the treatments regularly.

All the advertisements look great, so I’ve become even more curious about which treatments actually offer good value for money. Please let me know if there are any treatments that offered high satisfaction relative to their price, or any that you would recommend for beginners. I’d also like to know how long the effects last and how many sessions are typically required to see results. I think honest reviews from people who have actually tried them would be the most helpful.