Can you combine hydroquinone with Retin-A or do you have to apply them separately?

Hello! Unfortunately it is difficult to evaluate your skin in this forum and from the pictures provided. There are multiple treatment options available that can help with hyperpigmentation such as hydroquinone, compounded medications, and laser treatments. These treatment options might not...

Using Tretinoin can sometimes lead to temporary darkening of sunspots, as it accelerates skin cell turnover and can make hyperpigmentation more noticeable initially. Here are some considerations and steps you might take: Continue Sun Protection: It’s excellent that you are diligently using s...

When switching from Epiduo, which contains adapalene (a type of retinoid) and benzoyl peroxide, to tretinoin, it's possible to experience a purging period, although it might not be as pronounced as starting a retinoid for the first time. Here's why and what to expect: Understanding...

I am not aware of any correlation between topical tretinoin and insomnia. I am not certain if there are any possible other ingredients in the cream you are using that might cause insomnia though.

When transitioning from Adapalene to Tretinoin, it is possible to experience "skin purging." Both Adapalene and Tretinoin are retinoids, but they have different strengths and mechanisms of action, with Tretinoin generally being more potent. What is Skin Purging?: Skin purging occurs when...