Can scare on my legs over 20 years be remove completely using aloe vera and honey mixtures?

Unfortunately not: This may help with the acute management of wounds but is not likely to do much for establish scars.

Scars are permanent: Your mature scar will not have any change with any topical mixture. The only way to get some improvement is with a laser or surgical scar revision. No one can completely remove the scar, they can only make it look better.

Not likely: Scars are permanent. The best you can hope for is to improve the appearance slightly.

Scar? removal: The single best product for reduction of scar visibility and surface irregularities is bio-corneum.