The complete day-to-night lash growth system for longer & healthier lashes. Complete with a money-back guarantee. Clinically proven, the Lash Growth Duo is created to work in sync around the clock, day to night; peptide-powered serum by day, restorative lash oil by night. Together, they deliver visibly longer, healthier, and stronger lashes - for optimal results at every stage of the lash cycle. Most lash products focus on stimulation alone. This is the system that goes further. By supporting the follicle by day and conditioning the lash fibre by night, the Lash Growth Duo helps results appear, and actually last. Growth that looks better, feels healthier, and doesn’t compromise the eye area. Suitable for sensitive eyes, both formulas reflect BBB London’s commitment to clean, considered ingredients. No harsh shortcuts. No unnecessary fillers. Just thoughtful formulations designed for long-term lash growth & health. Why It Works Supports the full lash growth cycle, not just a singular phase Targets both the follicle & the lash fibre Helps reduce breakage over time Gentle enough for daily use, even with sensitive eyes Designed for results that improve with consistency Ingredients Every ingredient in the Lash Growth Duo earns its place. Nothing added for hype. Nothing included without reason. Lash Boost Serum (Day)Powered by peptides and conditioning actives that support the growth phase of the lash cycle. Lightweight, fast-absorbing, and designed to sit comfortably along the lash line without irritation. Luscious Lash Oil (Night)A restorative blend of nourishing oils and conditioning ingredients that work overnight to soften, protect, and strengthen lashes as they repair. Helps maintain flexibility and reduce breakage as lashes grow. Both formulas are: Clean and carefully formulated Free from harsh or unnecessary ingredients Suitable for sensitive eyes Because healthy growth should always feel calm.