What is the difference between Anti wrinkle fine line treatments and Dermal Fillers? Are they both the same? Here is a quick run down. Anti wrinkle fine line treatments (with the use of Botulinum Toxin A) Relaxes the muscles which stops them contracting- Then VOILA Wrinkles and lines relax, soften and disappear. Areas treated are forehead lines, crows feet, frown lines and bunny lines. The results can be seen between 7-14 days. Botulinum Toxin A will last around 3-4 months.