I might move on to tretinoin. I've been using various retinols for about 3 years and definitely see the effects. Mind you I'm only early 30s but I do always get told I look younger (genetics I know I know!) but I don't have lines or wrinkles. I do have terrible dark circles and hyperpigmentation but nothing some makeup can't fix. I started using Peter Thomas Roth which cost £70ish but now I use The Ordinary which is about a tenner and I actually prefer it. It has a really moisturising effect considering it's a retinol. The PTR one dried me out.
This is my absolute holy grail product:
Free delivery and returns on eligible orders of £20 or more. Buy Sunsense Daily Face SPF 50 Plus Sunscreen, 200 ml at Amazon UK.
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It comes in small, medium and large sizes and it's not cheap (but also not the most expensive) but lasts months and months as I only use a pea sized amount. It works as a SPF50, moisturiser and CC cream in one. Maybe it would be different depending on skintone but I'm fair and like to have a 'glow' (not orange/tan) and this is perfect for that. I mix one pea sized amount with It Cosmetics Your Skin But Better CC Cream in a couple of different shades depending on how tan I am, which is slightly "heavier"/more makeuppy, but also has SPF50 in it. That's my go-to base I don't wear foundation ever but with that said I like the "no makeup" look so if you're a glam girl you'd think I'm nuts lol.
For me retinol at night followed by SPF every day is my current routine. I've done 12 and even 20 step skincare routines over the years and I find my skin looks best when I just leave it alone, wash it in warm water, apply my retinol at night and make sure I wear my SPF every day. That was advice given to me by a dermatologist that charged a ridiculous amount for a separate issue I visited her for but that piece of advice I took and ran!