Skip to content 
That means you can often build an effective knee-care routine for
under $20 to $35 total. Compared with buying multiple scrubs,
“brightening” soaps, and trendy peel pads, it’s a more focused way to
spend your money. I always prefer one reliable active plus one reliable
moisturizer over six half-used jars cluttering a bathroom shelf.
Discover more
Health
foods
Injury
13. Who should patch test first
If you have eczema, very sensitive skin, a history of contact
dermatitis, or deeper cracks in the skin, patch test before applying
anything all over the kneecaps. Put a small amount of the lactic acid
product on a 1-inch area once daily for 3 days. If you get persistent
burning, swelling, or a rash, don’t keep pushing through.
Anatomy
You should also avoid applying acids to freshly shaved, broken, or
actively inflamed skin. If your knees are split or raw, focus on healing
the barrier first with a bland ointment and fragrance-free cream for
several days before trying any exfoliating treatment.
14. The maintenance routine once your knees improve