IS IT ENOUGH TO APPLY THE SERUM ONLY TWO OR THREE TIMES A WEEK TO MAINTAIN THE EFFECT?
No, if you want to maintain the impressive end result, you should continue to apply the serum continuously once a day.
https://www.m2beaute.com/en/eye-care-faqs/eyebrow-serum-faq-eyebrow-renewing-serum/is-it-enough-to-apply-the-serum-only-two-or-three-times-a-week-to-maintain-the-effect