
A world-first
Because nothing like it existed
One in a ML™ was founded by Jessica Marritt, an award-winning aesthetic expert and founder of Second Look Aesthetics. After years of performing lip enhancements, she saw a major gap in the market for a safe, effective, and luxury-grade post-injection lip care solution.
I have tried so many and this is by far the best! My lips are so moisturised and this is the first product I’ve come across that’s safe to use alongside with my injectables. 10/10 !

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FAQ's - Product & Usage
What makes One in a ML™ Lip Oil different from other lip products?
ONE IN A ML™ Lip Oil is scientifically formulated to deliver immediate hydration and long‐term lip care benefits. Unlike traditional lip balms that simply coat the surface, our formula penetrates deeply to deliver ingredients supported by clinical evidence that:
- Enhance post-procedure comfort
- Soothe irritation and calm sensitive skin
- Help lips appear smoother and naturally fuller
- Provide long-lasting hydration without stickiness
It is not just a lip product—it’s a high-performance cosmetic treatment designed for everyday luxury as well as to complement your post-procedure routine.
How often should I use One in a ML™ Lip Oil?
For best results, we recommend using it two to three times daily or as needed. When used after a lip procedure, apply immediately and continue daily to help keep your lips hydrated and comfortable.
Is it safe for use after lip injections?
Yes. Our formula was specifically developed for use immediately after lip injections. It contains calming botanical extracts, barrier-enhancing agents, and hydration-boosting peptides that help:
- Minimise any temporary post-procedure discomfort
- Keep dryness at bay
- Enhance the appearance of naturally fuller, smoother lips
It is the ideal complement to aesthetic lip treatments.
What are the key ingredients in One in a ML™ Lip Oil?
Our science-backed formula includes:
- Grape Seed Oil & Sunflower Oil – Rich in antioxidants, they help soothe and deliver deep hydration.
- Portulaca Pilosa Extract (Kiss-Me-Quick Flower) – Known for enhancing the appearance of fuller lips.
- Calendula & Echium Plantagineum Seed Oil – Valued for their soothing and supportive benefits, perfect for post-procedure care.
- Palmitoyl Tripeptide-38 – A biomimetic peptide that contributes to a plumped, youthful look.
For a full ingredient breakdown, visit our Ingredients Page
Can I use One in a ML™ Lip Oil if I have not had lip injections?
Absolutely. While it is designed to be safe and beneficial post-procedure, it is also a premium everyday lip oil that nourishes, conditions, and enhances lips naturally.
FAQ's - Aesthetic Practitioners & Clinics
How can One in a ML™ Lip Oil benefit my aesthetic practice?
ONE IN A ML™ Lip Oil is a value-added product that can:
- Enhance post-treatment care by providing a specialised aftercare solution that supports a refreshed appearance
- Increase client satisfaction by maintaining optimal hydration and comfort
- Differentiate your clinic by offering an exclusive, science-backed lip oil
- Boost revenue by stocking a high-quality retail product
Can I stock One in a ML™ Lip Oil in my clinic?
Yes. We offer exclusive wholesale partnerships for clinics, aesthetic professionals, and beauty retailers. This allows you to:
- Purchase at trade pricing
- Offer your clients a premium post-procedure solution
- Strengthen your brand by aligning with a science-driven product
To apply for wholesale, please visit our Stockist page
What treatments does One in a ML™ Lip Oil complement?
Our formula is designed to complement procedures such as:
- Lip Fillers & Enhancements – Helps maintain moisture and supports a refreshed appearance.
- Lip Blushing & PMU – Calms sensitivity and supports the longevity of your treatment’s visual effect.
How does this compare to traditional post-care balms?
ONE IN A ML™ Lip Oil is specifically formulated for post-treatment use, offering:
- Nutrient-rich, clinically backed ingredients
- A breathable, hydrating formula that helps maintain a comfortable, well-hydrated appearance
Perfect for everyday use, it helps keep your lips moisturised and looking their best—delivering a glossy, healthy finish.
Can I provide samples to my clients?
Yes. We offer mini sample sizes for practitioners who want to provide clients with a trial experience before purchasing the full-size product. Contact us for bulk sample pricing.
I always struggle to find the perfect oil as I have naturally dry lips, exceptional product, it also smells lovely!
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Wow, wow, wow the lip oil of dreams!!
After applying this post lip injections I am totally obsessed!! I had reduced inflammation and my lips actually felt hydrated for the whole duration of my healing, I would recommend this product 100%.


One in a ML™ Lip Oil
- Regular price
- £29.99
- Regular price
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- Sale price
- £29.99