Your lashes do most of their living between appointments. What happens in those two to three weeks decides whether you walk into your next fill with a full set or a patchy one. Here is the routine that keeps them strong.

Why does lash care between extension appointments matter?

Because every extension is glued to one natural lash, so retention depends entirely on the health of what is underneath. Weak, coated or damaged natural lashes shed early, and the extension goes with them.

Natural lashes also run on their own growth cycle, roughly four to eleven weeks from new growth to shedding. Losing a few lashes a day is completely normal. Your job between appointments is not to stop shedding, it is to keep the lashes you have clean, conditioned and undisturbed so they hold their extension for the full cycle.

What is the best daily routine for lashes between fills?

Cleanse daily with a foaming lash cleanser, dry gently, brush through with a clean spoolie, and keep oil away from the lash line. That is the whole routine, and it takes under two minutes.

• Cleanse every day. Skipping this is the number one cause of poor retention. Makeup, sebum and dead skin build up at the base of the lash and break down the bond.
• Dry properly. Pat with a lint free cloth or use a cool fan setting. Cotton pads leave fibres tangled in the extensions.
• Brush daily. A dry spoolie through the lashes in the morning keeps them separated and stops crossover.
• Condition the lash line. A peptide serum applied to clean, dry lashes supports the natural lashes doing the heavy lifting.
• Protect at night. Sleeping on your back or on a silk pillowcase reduces the friction that snaps extensions off early.

How do you keep natural lashes strong under extensions?

Look after the lash, not just the glue. Conditioning the natural lash line is what keeps lashes flexible enough to carry an extension without snapping, and it means you are not starting from scratch when you take a break from extensions.

This is exactly where a serum earns its place. Lash Population, our peptide-based lash growth serum, is applied as a thin line along the upper lash line once daily on clean, dry lashes. It works on bare lashes and under extensions, which means you can keep using it through your whole fill cycle rather than only between sets. Lash artists recommend it, it is NZD $79, and it comes with a 90-day Growth Guarantee.

Apply it once daily for one to twelve weeks, then drop back to two or three times a week to maintain. Always let it dry fully before your lashes touch a pillow.

Habits that quietly cost you retention

Most retention problems are not the lash artist's work. They are small daily habits.

• Picking, pulling or twisting extensions, which takes the natural lash with it
• Sleeping face down in the pillow
• Oil based cleansers, makeup removers and eye creams near the lash line
• Waterproof mascara on extensions, which needs aggressive removal
• Rubbing your eyes when you are tired or removing makeup in a hurry

Book fills before your set thins out rather than after. It is faster, cheaper and easier on your natural lashes than a full reset.

Frequently asked questions

How often should I cleanse my lash extensions?
Every day. Daily cleansing removes the oil and debris that break down adhesive, and clean lashes hold extensions longer than dirty ones.

Can I use a lash serum while wearing extensions?
Yes. Lash Population is designed to be used on bare lashes or under extensions. Apply a thin line along the upper lash line on clean, dry lashes and let it dry fully.

Why do my extensions fall out faster some months than others?
Your natural lash cycle, sleep position, skincare and even humidity all affect retention. A run of poor retention usually traces back to a change in routine rather than the application.

How long should I go between fills?
Most lash artists recommend a fill every two to three weeks. Leaving it much longer usually means more work at the appointment and more stress on the natural lashes.

Will my natural lashes recover if I take a break from extensions?
Natural lashes shed and regrow on their own cycle, so a break gives them time to grow in undisturbed. Keeping up a daily serum routine during that break supports the lashes coming through.

Get yours

Look after the lashes under the lashes. Shop Lash Population lash growth serum for NZD $79, backed by our 90-day Growth Guarantee. Questions? Email us at hello@boldpopulation.com.