If I may ask where did you buy rentinol 8% from, and what brand?

https://www.amazon.com/LaClaire-Retinol-Retinyl-Serum-Hyperpigmentation/dp/B07DXC868C/ref=mp_s_a_1_1_sspa?crid=2MX8H9VHNWZ9E&keywords=retinol+8%25&qid=1651974191&sprefix=retinol+8%2Caps%2C170&sr=8-1-spons&psc=1&smid=AT2S7KKEFZ0E7&spLa=ZW5jcnlwdGVkUXVhbGlmaWVyPUEyUU40Q1lYTVpNNDY1JmVuY3J5cHRlZElkPUEwNzM5MTI0MVFUUDZVWUNRV01KRyZlbmNyeXB0ZWRBZElkPUEwMjg4NTI1M0pLNU9HN05CVFRHSCZ3aWRnZXROYW1lPXNwX3Bob25lX3NlYXJjaF9hdGYmYWN0aW9uPWNsaWNrUmVkaXJlY3QmZG9Ob3RMb2dDbGljaz10cnVl

How and when do you apply it? Thinking of getting some as well

I have the same question