Start by matching your skin type and main concerns to the serum’s goals. No7 Laboratories Line Correcting Booster Serum fits into a simple routine after cleansing and before moisturizer, so plan how it complements your existing steps. Do a patch test to check sensitivity and ensure it plays well with other products you use. Finally, protect the skin with sunscreen during the day for best results.

The active ingredient balance and its concentration are the most complex attribute, and they largely determine how it targets lines and texture. Look for a formulation that combines multiple actives to smooth, hydrate, and protect the skin rather than relying on a single component. Remember that higher concentrations aren’t always better, so start with the recommended amount and adjust based on your skin’s tolerance. Understanding the ingredient list helps you compare this booster serum with other No7 or brands.

It can suit both beginners and experienced users, but your approach will differ. Beginners should start with a patch test and a small amount once daily, gradually increasing frequency as the skin adapts. Experienced users can add it as a booster in the routine between cleansing and moisturizing, integrating it with existing actives as appropriate for their goals and tolerance.

Apply the serum after cleansing and toning, then wait a moment before patting on moisturizer. Layer it with other skincare products carefully, avoiding incompatible actives and sticking to a logical order in your routine. In the daytime, finish with sunscreen to protect the treated skin.

Store the booster serum in a cool, dry place away from direct sunlight and moisture. Keep the applicator clean and close the cap after each use to preserve potency. Monitor your skin for any signs of irritation and adjust usage if needed.

Look for gradual improvements in texture and tone over several weeks, not days. Take notes or photos to compare changes and determine whether the serum meets your skin goals. If concerns persist or irritation occurs, consult a dermatologist or pause use to reassess your regimen.