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Suitable for
All hair types
Why we stand behind it
Good Night, Grey™ is a first-of-its-kind overnight scalp serum designed to work in sync with your scalp’s natural repair cycle. While you sleep, it supports pigment pathways, improves hair density, and helps counter stress-related damage in the follicle. Think of it as a night cream for your scalp—lightweight, oil-free, and easy to use.
CLINICAL STUDIES
Independent studies on key actives in Good Night, Grey™ showed measurable improvements in density, pigment, and follicle health:
89% improvement in the ratio of active growth to shedding phase with Red Clover Flower Extract + Acetyl Tetrapeptide-3
25.9% increase in anagen recovery and 11% improvement in density with Spirulina & Chlorella Extract Complex
47% of participants saw fewer white hairs in 3 months with Palmitoyl Tetrapeptide-20 Amide
40% increase in melanin levels in grey hair after 4 months with Ononis Spinosa & Avena Strigosa Extracts
Key ingredients
The Mela-9® Complex: Stimulates melanin synthesis and preserves pigment pathways at the follicle, helping hair keep its natural color.
Spirulina Maxima + Chlorella Emersonii Extracts: Block cortisol receptors at the scalp, reducing stress-driven shedding and supporting your scalp's overnight cellular repair cycle.
Red Clover Flower Extract and a Biomimetic Peptide: Extend the anagen (active growth) phase, improve follicle anchoring, and help hair grow in fuller and stronger.
this product meets
The Credo Clean Standard™
Every product we offer meets our industry leading standards for safety and sustainability.
learn moreThis product is
Cruelty Free
Sustainable Packaging
Vegan
Gluten Free
Alcohol Free
Soy Free
Non GMO
An undertone is the color beneath the surface of your skin, which never changes (even with a tan). There are three types of undertones:
Pink/Cool
I see red or pink undertones around the perimeter of my face and neck.
My skin burns easily, but barely tans.
My skin looks better in silver jewelry than gold.
Neutral
I see both pink and yellow undertones around the perimeter of my face and neck.
My skin sometimes burns and sometimes tans.
My skin looks good in both gold and silver jewelry.
Yellow/Warm
I see yellow or golden undertones around the perimeter of my face and neck.
My skin rarely burns, but tans easily.
My skin looks better in gold jewelry than silver.
Find your shade match
Take our 1 minute quiz and get matched to real people with your skin tone and type.
Before bed:
Shake well.
Apply directly to the scalp using the precision nozzle, focusing on areas of concern.
Massage gently with fingertips or the Arey Scalp Brush to distribute evenly.
Do not rinse. Apply before bed and allow the formula to work overnight.
Aecause it’s oil-free and residue-free, it won’t weigh hair down, disrupt your style, or require a morning rinse. Apply at night. Wake up and go.
Pro-tip
Use the Arey Scalp Brush before applying to gently part hair and prep the scalp, then again after to stimulate blood circulation.
Keep the bottle visible on your counter. Habits form faster when they’re easy to see.
Breathe in calming lavender + eucalyptus as part of your nighttime ritual.
A 100% natural lavender and eucalyptus blend to signal calm to your nervous system as part of a sleep ritual. Lower cortisol at night means healthier hair over time.
Radical Fragrance transparency
US law does not require fragrance transparency. Credo requires all brands to categorize the fragrance in each product and encourages full ingredient disclosure.
This fragrance is comprised of:
essential oils
certified organic fragrance
natural fragrance
naturally-derived fragrance
synthetic fragrance
We co-founded the nonprofit Pact to demystify how to recycle your beauty packaging empties and divert waste from landfills.
How to recycle your empties
1. Disassemble and clean all components
2. Pick the right disposal bin
3. Drop off your empties at your nearest Pact bin
1 Product Recycled = 10 Credo Rewards Points
create accountArey | 'a-ray': Derived from the French word arrêt, meaning “stop". Known as The Wrinkle Cream of Haircare™, Arey is the first functional beauty brand to target aging hair with a proactive, science-driven approach. The seedling for Arey originated when our co-founder Allison Conrad saw her first grey hairs, which prompted her to question why there wasn’t an alternative to accepting it, or covering it up with chemical dyes that have been shown to increase the risk of cancer. With a plethora of creams to prevent wrinkles, SPF to protect our skin and exercise regimens to keep our bodies in shape, there simply wasn’t a proactive solution for getting on top of aging hair. Upon discovering that science has shown there is only one gene (IRF4) that accounts for 30% of why we go grey, she began to research vitamins, minerals and antioxidants that could aide in replenishing the body with what it needs to preserve hair pigment and counteract oxidative stress. After creating a daily regimen that included more individual pills than she'd like to admit; she set out to create a single supplement to support hair color. Thus began a journey with her beloved hairstylist Jay Small, who shared the same passion for creating a solution to a problem he's seen many times over with his clients over the past 20 years. Along with a group of talented and experienced medical and scientific professionals, they created an entirely new category in haircare. From a daily supplement to topicals, Arey offers a full line of clean, innovative products formulated with vitamins, minerals, antioxidants and a clinically efficacious peptide to slow and repigment greys- with the added benefit of growing thicker, fuller, softer, and healthier hair.
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