Can breast lotions serve to maintain womens breast stiff?

I have significant breast. but i want to know if these collogen lotions and products helps to hold on to breast stiff. Because men seem to be engrossed with womens breast.Can breast lotions serve to maintain womens breast stiff?
There is nought to keep them stiff breasts are in recent times fatty tissue nothing we can do
naw u should agree to them bounce
I've heard that Avon sell a firming lotion for that problem, but I'm not sure if it actually works or not.