Can I use cellulaze just to tighten my skin on thighs without removing fat?

Cellulaze can be used to tighten skin - that is one of the benefits of using the side-firing laser for cellulite treatment.  The laser can be pointed down, towards any fat bulges, sideways to cut through the fibrous bands, and then up towards the undersurface of the skin to help tighten it.   In your case, if you do not have much fat or bands, a majority of the treatment would be directed towards the skin.  Overall, Cellulaze is not a method for removing fat - liposuction is used to remove volume.

Yes, Cellulaze can be used just to tighten skin without removing additional fat. You may be an ideal candidate for Cellulaze.  As you probably know, cellulite is a problem that affects many women, typically about 85%, regardless of whether they are thin or heavy.  For thin women, often just treating the cellulite by breaking up the fibrous bands and treating the cellulite is enough without the need to remove additional fat. I hope this helps.