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Troubleshooting common serum issues
No visible change after two or three months: confirm that you are using the serum most days, pairing it with daily sunscreen, and giving it at least 8–12 weeks; if there is still no difference, you may need a different active ingredient or a dermatologist’s help with stronger options.
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Troubleshooting common serum issues
If you see almost no change in uneven tone after about three months of regular use with daily sunscreen, it may be a sign that the serum is not the right fit or that the pigmentation is deeper. That is a good moment to consult a dermatologist instead of cycling through more over-the-counter serums.