The Trinsic Collection
Premium lash & brow care for everyday use.
Trinsic Enhancing Brow Gel
A clear, lightweight gel that shapes and sets brows packed with actives to condition & strengthen brows daily. Gentle enough for daily use.
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Trinsic Natural Brow Serum
A targeted, science-led serum designed to support fuller, healthier-looking brows over time, without irritation or high-maintenance routines.
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Trinsic Natural Eyelash Growth Serum
A prostaglandin-free serum that supports healthier-looking lashes with consistent use without irritation, fallout, or harsh ingredients.
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Results You Can Expect In 8 Weeks
Achieve longer, fuller, more defined lashes with consistent 6-8-week use.
With consistent daily use, lashes and brows look progressively healthier, fuller, and more defined. In the first few weeks, you may notice improved hydration and less brittleness. By weeks 6–8, many users see visibly thicker-looking lashes, better density through the lash line, and brows that appear more filled in and easier to shape. Full results by week 12.
Naturally Derived Ingredients
Trinsic's advanced formula brings together 37 naturally powerful ingredients — each chosen for its proven role in hydration, follicle nourishment and growth support.
Castor Oil
Conditions and coats each hair to improve the look of thickness and smoothness.
Coffee
Energizes the lash line and supports a healthier-looking follicle environment.
Quinoa Protein
Helps reinforce the structure of each hair, supporting strength.
Saw Palmetto
Supports strength and structure, which helps reduce the brittle look.
Hyaluronic Acid
Attracts moisture to keep lashes and brows hydrated and flexible.
Biotin (Vitamin B7)
Supports hair health at the follicle level.
Vitamin E
Conditions and helps protect the delicate lash and brow area.
Panthenol (Vitamin B5)
Smooths and softens hair so lashes and brows look healthier.
What People Are Saying
Real reviews from people who use Trinsic products daily.
Easy to Use
Product is easy to use and causes no irritation. It conditions my eyebrows and they appear thicker and healthier. I am happy with the results.
Wilson
Great!
I’ve been using the Trinsic Eyelash Serum consistently and I’m really impressed. It’s gentle on the eyes, doesn’t cause irritation, and feels lightweight. After a few weeks, my lashes look healthier, stronger, and noticeably fuller. I like that it’s prostaglandin free and made in the UK. Easy to apply and good quality packaging. Would definitely recommend for anyone wanting natural lash improvement.
Niki
Really Helped
Very gentle on the skin, which helps for use on all skin types! It really helped nourish, hydrate, and strengthen my brows. I felt and noticed the difference fairly quickly. A big plus for me is that it’s vegan and free from harsh chemicals, which is always a bonus. Very recommended for a natural boost to brow growth!
Thomas B.
Frequently Asked Questions
Everything you need to know about Trinsic.
Are Trinsic serums really prostaglandin-free?
Yes. All Trinsic formulas are completely prostaglandin-free. We intentionally avoid aggressive growth actives that are commonly linked to irritation, discoloration, and lash fallout, especially around sensitive eyes.
What if Trinsic doesn't work for me?
We offer a full money-back guarantee. If you're not satisfied with your results, simply contact our team within 90 days for a complete refund.
When will I receive my order?
Orders typically ship within 1-2 business days. Standard delivery takes 3-5 business days. Express shipping options are available at checkout.
How long until I see results?
Most customers begin to see visible improvements in 4-6 weeks, with full results by 8-12 weeks of consistent daily use.
Are Trinsic products safe?
Absolutely. Our formulas are gentle, or natural origin and free from harsh chemicals. They're safe for sensitive eyes and contact lens wearers. All our products are compatible with LVL lashes, laminated brows, lash extentions, false lashes and microbladed brows
What is your return policy?
We offer a 90-day satisfaction guarantee. If you're not completely happy with your purchase, contact us for a full refund — no questions asked.
