Fillers versus laser for scar correction

What are the pros and cons of fillers for acne scars versus more permanent procedures like laser? I have some scars that look worse when I'm tired or dehydrated, which makes me think volume loss is part of the issue.

You've hit on a key distinction. Fillers (like hyaluronic acid) are excellent for scars that have a volume deficit—they physically lift the base of the scar. The effect is immediate but temporary, lasting 6-18 months depending on the product and area. Procedures like laser aim to stimulate your body's own collagen for a more permanent structural change, but results develop over months. They are often used together: filler for immediate correction and laser for long-term remodeling.

I had this exact combo, and it was brilliant. My doctor used a tiny bit of filler under my deepest rolling scars during subcision. The immediate visual improvement was a huge psychological boost. While that filler eventually dissolved, it gave time for the collagen from my later laser treatments to kick in. It's like a bridge. It's also worth noting that some scars, especially those with a bluish tint, can have a vascular component. After my texture improved, a touch of laser to address any residual color (similar to techniques for vascular lesions https://bellasanamedspa.com/service/laser-spider-vein-removal) perfected the result. A good specialist will have a plan for both structure and color.