Arey

Good Night, Grey

Good Night, Grey
Good Night, Grey
Good Night, Grey
Good Night, Grey
Good Night, Grey
Good Night, Grey
Good Night, Grey
Good Night, Grey
Good Night, Grey
Good Night, Grey
Good Night, Grey
award winning new Only at Credo
Good Night, Grey
Good Night, Grey
Good Night, Grey
Good Night, Grey
Good Night, Grey
Good Night, Grey
Good Night, Grey
Good Night, Grey
Good Night, Grey
Good Night, Grey
Good Night, Grey
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award winning new Only at Credo Arey

Good Night, Grey

Good Night, Grey

A lightweight overnight serum designed to work with your scalp’s natural repair cycle to support color production, improve density and reduce scalp stress for healthier, more vibrant hair.

Regular price $58
Sale price $58 Regular price
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Good Night, Grey

1.35 oz / 40 ml
$58
  • Overview
  • Choosing your shade
  • How to use
  • Ingredients
  • Sustainable Packaging
  • About the brand
Highlights

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 more

This product is

Cruelty Free

Sustainable Packaging

Vegan

Gluten Free

Alcohol Free

Soy Free

Non GMO

What is an undertone?

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.

Usage

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.

Full ingredient list
Water (Aqua), Trifolium Pratense (Clover) Flower Extract, Acetyl Tetrapeptide-3, Ononis Spinosa Root Extract, Avena Strigosa Seed Extract, Palmitoyl Tetrapeptide-20 Amide, Propanediol, Chlorella Emersonii Extract, Lecithin, Spirulina Maxima Extract, Citrus Reticulata (Tangerine) Fruit Extract, Acetyl Tyrosine, Pentylene Glycol, Gluconolactone, Glycerin, Butylene Glycol, Dextran, Hydroxyethylcellulose, Zanthoxylum Bungeanum Fruit Extract, Humulus Lupulus (Hops) Extract, Sesamum Indicum (Sesame) Seed Extract, Glycine Soja (Soybean) Germ Extract, Wasabia Japonica Leaf Extract, Panax Ginseng Root Extract, Rosmarinus Officinalis (Rosemary) Leaf Extract, Serenoa Serrulata Fruit Extract, Polygonum Multiflorum Root Extract, Arginine, Biotin, Caffeine, Coffea Arabica (Coffee) Seed Extract, Fragrance (Parfum* Lavandula Angustifolia (Lavender) Oil, Eucalyptus Globulus Leaf Oil, Linalyl Acetate and Linalool), Sodium Benzoate, 1,2-Hexanediol, Caprylyl Glycol
Fragrance

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

Credo believes in your right-to-know.

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

Help us end beauty packaging waste

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

Earn rewards through recycling login

1 Product Recycled = 10 Credo Rewards Points

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1 Product Recycled = 10 Credo Rewards Points

Arey

Arey | '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.

SHOP ALL Arey

Overall rating: 4.7777777 / 5 from 18 reviews.

AI Generated Review Summary

Summary topics

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Review highlights

Reviews

Seems to be Working

"I have only been using this product for a month but it seems to be working I like that this product doesnt make my scalp oily It is easy to apply at night and shows no wear by the next morning"

GIANNA C. (4/5)

Easy add to my night routine

"Added to my night routine It does make my hair more oily in the morning but my hairstylist has already noticed a difference Im also using the shampooconditioner and serum in the morning"

Makenzie B. (4/5)

Convenient to use

"I like that this is easy to use even when Im tired and dont feel like doing a whole nighttime routine this takes just a few seconds It also absorbs well and has never left my hair greasy or gross"

Michelle B. (5/5)

Promising so far

"I can only give the Good Night Grey a threestar review at this point simply because I am still in the beginning stages of using Arey products I do appreciate these types of products being available I am looking forward to seeing results as time passes I just wish everything was less expensive of course"

Sybil W. (3/5)

Very good serum for scalp health

"I am using this serum from last 2 weeks Have not seen any changes in Grey but the overall serum is pretty good and giving me good results Will be continuing for next 6 months to see the visible results with my Grey"

Neha (5/5)

26 year old with early greying getting her color back

"Ive only been using Good Night Grey for two weeks and Im honestly impressed My hair already feels noticeably denser the new greys are definitely slowing down since Im also using the Arey shower duo and my scalp feels calm and healthy every morning Its super lightweight completely nongreasy which I appreciate since I have curly hair and I love that it works while I sleep zero extra effort Already ordering my next tube"

Miriam (5/5)

Favorite part of my night routine

"Im in LOVE with this hair serum I switched over from the Kerastase Magic Night Serum and Im never going back Good Night Grey has such a nice eucalyptus smell which is perfect before bed and I dont have to rinse it out the next morning since it doesnt leave my hair greasy at all And Ive definitely noticed improvement in hair thickness Highly recommend"

Mckenna (5/5)

Perfect night time serum

"I have been using this in conjunction with the To the Root serum and I find that this is a worthy addition It smells great and is slightly thicker and it is easier to apply to the root My hair looks shinier since I have started using it I have added this to the serum because I believe in the effectiveness of continuous use of these products"

Vanessa (5/5)

I cant believe this actually works

"This is by far my favorite Arey product though I really love the dry shampoo too I was admittedly skeptical but it works Ive seen a substantial decrease on gray hairs that seem to concentrate within my widows peaks It also softens these hairs eliminating that wiry texture I am THRILLED"

Becca (5/5)

Into this

"I just started using this and I already love it Its easy to use at night yes please and doesnt make my hair greasy I can already tell its giving me a lil umph to my fine hair Also its smells good too Excited to see the long term effects"

Chelsea C. (5/5)

Q&A