Home / For Professionals
Cotrini Professional
The night cream your patients go home with.
Clinically measured hydration in a fragrance-free formula, classified non-irritating, for your patients’ nightly home care. Available only to verified medical spas, dermatology and plastic surgery practices.
- +52%skin hydration in 4 weeks*
- 0.05irritation index: non-irritating*
- GMPfilled, and every batch micro-tested
With makeup artist Emma JenkinsPartner sign in
Approved accounts sign in with their work email. We’ll send a one-time code, so there’s no password to remember or share.
Approved accounts sign in with their work email. Shopify sends a one-time code.
Sign in with your work emailNot a partner yet? Apply for an account.
Why practices carry Cotrini
Proof your team can stand behind. A program built for practices.
Clinically measured hydration
In 4 weeks, and every participant improved, in an independent split-face study.*
Fragrance-free, non-irritating
Fragrance-free, and classified non-irritating in dermatologist-supervised patch testing.*
Made to a medical standard
Formulated in South Korea and filled by a GMP manufacturer that micro-tests every batch before it ships.
Free patient sachets
With your opening order, so patients can try it at home tonight. 50 more with every reorder.
Where it fits
The home-care step between visits.
Send patients home with a rich, fragrance-free night cream that keeps skin hydrated and comfortable between appointments.
- Nightly home careA rich, cushioning night cream: +52% skin hydration in 4 weeks.*
- When your post-care says moisturizeAfter a facial, peel, laser or microneedling, your instructions decide when patients start. Then it’s a fragrance-free moisturizer for their nights at home, on intact skin.
- For patients who want fragrance-freeFragrance-free, and classified non-irritating in patch testing.*
- Between appointmentsA nightly ritual that keeps patients connected to your practice.
Cotrini is a cosmetic. It isn’t intended to treat, heal or prevent any condition, and it isn’t for use on open wounds or broken skin. Patients should follow their provider’s post-care instructions.
The proof
What the Night Cream studies measured.
Measured by instrument against the untreated side of the face. None of the studies were run on skin after in-office procedures.
Measured, 34 women aged 30–55
+34%Skin hydration in just 2 weeks. Every participant improved
+52%Skin hydration in 4 weeks. Every participant improved
+23%Skin elasticity in 4 weeks
19%Firmer skin in 4 weeks
Mild irritation induced in the lab, 54 participants
2 daysTo a statistically significant improvement in hydration and moisture barrier, vs. untreated skin
69%Less moisture loss by day 5, vs. 58% for untreated skin
Day 12Back to its healthy hydration level. Untreated skin was still 22% below
13.5%More hydrated than before the irritation by day 14. Untreated skin was still 12% below
*Independent 4-week split-face study of 34 women aged 30–55, Delivery Clinical Studies S.A.S. (2023); anti-irritation study of 54 participants with non-serious mild irritation induced under lab conditions; 48-hour patch test of 22 participants. The studies were not conducted on skin after in-office procedures. Individual results vary.
The professional program
Everything an approved practice gets.
Professional pricing, volume rates and ordering are shared privately with verified practices.
Included with every account
- Professional pricing on every order, with better rates at volume
- Free patient sample sachets with every order
- Table tents, patient brochures and home-care handouts
- How-to videos with makeup artist Emma Jenkins and a product photo library
- Virtual staff training, with lunch-and-learns on request
- A dedicated account manager
Professional pricing
Shown after approval
We verify every practice before sharing pricing, so the price your patients see stays the same everywhere.
Patients try it tonight
Free sachets that start the ritual at home.
Hand them out
Give each patient 2–3 sachets after their visit. Each one holds about two nights of the Night Cream.
They try it at home
The patient handout explains how and when to use it, with your practice’s stamp on the back.
They come back for the jar
The full jar is on your shelf at $249. Retail is one of the simplest ways to keep patients coming back.*
*Terri Wojak of True U, via the American Med Spa Association (2018): clients who buy no product return 10% of the time; one product, 30%; two products, as often as 60%.
Everything you need to sell it
Your display kit, ready to download.
Every approved account gets print-ready materials, the how-to videos and our photo library in the portal.
How to join
Approved in 1–2 business days.
Apply
Tell us about your practice and upload your license and resale certificate. It takes about two minutes.
We verify
We check every license with the state board by hand, then email you when you’re approved.
Sign in and order
Sign in with your work email to see your pricing, order, and download your display kit.
Apply
Open a professional account.
For medical spas, dermatology and plastic surgery practices, aesthetic clinics, and licensed estheticians working with a medical director.
Have these ready:
- Your professional license number and state
- A seller’s permit or resale certificate
- Your practice website and address
Questions first? Dani Triana looks after our professional accounts.
Dani@cotrini.com
Application received
Thank you. We’ll be in touch shortly.
We’re checking your license and resale details now. You’ll get an email within 1–2 business days.
- Once approved, sign in with your work email. We’ll send you a one-time code; there’s no password to remember.
- Your professional pricing, ordering and downloads are waiting in the portal.
- Your first order ships with 100 patient sachets, and your display kit is ready to download.
Professional questions
Who can open a professional account?
Medical spas, dermatology and plastic surgery practices, aesthetic clinics, and licensed estheticians working with a medical director. We verify a current professional license and a seller’s permit or resale certificate for every account.
Is there a minimum order?
No opening minimum. Once you’re approved, you’ll see your professional pricing, including volume rates, when you sign in.
Can our medical director review the formula?
Yes. We share the full ingredient list and summaries of the clinical studies with any practice on request. Email Dani@cotrini.com.
How do patient sachets work?
Each sachet holds about two nights of the Night Cream. Give 2–3 to each patient to try at home. Your opening order includes 100 sachets, every reorder includes 50, and Partner orders include 100.
Where can we sell it?
To your own patients and clients, in person, at your approved practice locations. Selling on your own practice website needs our written approval first. Professional accounts can’t resell on Amazon, eBay or other marketplaces, or to retailers or other resellers. It’s all in the Professional Account Agreement you sign at your first sign-in.
How should we talk about it with patients?
As a fragrance-free night cream for nightly home care, once their skin is ready for a moisturizer. Your portal includes a one-page guide to what the studies show and how to describe them. Cotrini is a cosmetic and isn’t intended to treat, heal or prevent any condition.
Do you offer training?
Yes. A 20-minute virtual training for your team, plus lunch-and-learns on request. The portal also has the how-to videos with makeup artist Emma Jenkins.
How do we sign in?
With your work email. We send a one-time code each time you sign in, so there’s no password to remember or share.
Still have a question?We’re happy to help at support@cotrini.com.
Email us