JOIN THE 8-WEEK LASH CHALLENGE
Get 50% OFF your Brush Strokes Lash Serum and commit to one simple daily habit for 8 weeks.
Complete the challenge and we'll send you your next Lash Serum FREE.
WAS £29.99 NOW £15
Limited challenge places available.
HOW THE 8-WEEK LASH CHALLENGE WORKS
- STARTTake your Day 1 before photos before your first application.
- STAY CONSISTENTApply your Brush Strokes Lash Serum once daily and make it part of your routine.
- WEEK 4 CHECK-INTake your 4-week progress photos and complete your quick check-in.
- WEEK 8 & YOUR REWARDTake your final photos and feedback. Complete the challenge and we'll send you your next Lash Serum FREE.

WHAT YOU'LL GET
- 50% OFFJoin the challenge for just £15 instead of £29.99.
- SUPPORTWe'll keep you on track with simple reminders and check-ins throughout the challenge.
- FREE LASH SERUMComplete your 8-week challenge and check-ins and we'll send you your next serum FREE.
FAQs / important details
Use your serum once daily, take your Day 1, Week 4 and Week 8 photos, and complete your check-ins.
No. Your free serum is your reward for completing the challenge and submitting your check-ins — it isn't dependent on your results.
We'll email you when it's time to check in with simple instructions.
Once you've completed your Week 8 check-in, we'll arrange your free serum.
For the best comparison, please take your Day 1, Week 4 and Week 8 photos in the same way each time:
- Start with clean, makeup-free lashes — no mascara or false lashes.
- Use good natural light where possible and avoid filters.
- Make sure your lashes are clearly visible and in focus.
- Try to use the same location, lighting and angle each time.
- Take 2 photos: looking straight ahead and eyes closed.
Please don't edit, enhance or use beauty filters on your photos.
Tip: Your Day 1 photos will be your comparison shots, so take a little extra care with these.
We’d love to share some of our Lash Challenge results on our website, social media and other Brush Strokes marketing. We’ll always ask for your permission before using your photos or feedback for marketing purposes.

