Sales funnels ideas... - brazil skin care products

Hello everyone, I recently set up a micro-niche website for skin care to promote affiliate products;
However, I already have the newsletter registration form, but don't know how to keep my registered users warm and what's the idea of building a sales funnel automation system (using the mailchimp platform;
I have now published more than 60 blog posts and add a few every week.
My question here is about selling funnel emails or ideas to keep my audience up to date with the skincare industry and by selling affiliate products.
Please continue with any ideas for doing so!