Pre‑Order: Ships in ~3 weeks. Reserve yours today.

This item is part of our new haircare launch and is available on pre-order.

Orders containing this product will ship in approximately 3 weeks from purchase.

If your cart includes in-stock items, your order will ship together (to ship separately, please place two orders).

We’ll email you tracking the moment it leaves our facility.

Growth Theory Nourishing Hair Oil

A lightweight, nourishing oil that restores balance, boosts shine, and supports healthy growth — without leaving buildup behind.

Cruelty-free | Hypoallergenic | Dermatologist Tested | Refillable

Meet your hair’s new daily ritual. Growth Theory blends nutrient-rich botanicals and advanced lipids to deeply nourish from scalp to strand. The silky, fast-absorbing formula sinks in without heaviness, leaving hair smooth, hydrated, and full of natural shine. Use it as a strengthening daily serum or a restorative pre-wash treatment — either way, your scalp and hair get the care they deserve.

Instructions: Apply a few drops to dry or damp scalp and hair. Massage gently. Use as a daily serum or pre-wash treatment.

Store in a cool, dry place away from direct sunlight.

“Healthy hair is about consistency – and I wanted something that feels effortless but delivers real results. I use Growth Theory as a light serum when I’m on the go, and as a treatment oil before wash days. It keeps my scalp balanced and my hair looking glossy without ever feeling greasy.” – Sloane Stephens

• Avocado Oil – Rich in vitamins A, D & E to deeply nourish hair and scalp
• Buriti Oil – Packed with beta-carotene for strength and elasticity
• Jojoba Oil – Balances natural scalp oils and adds lightweight moisture
• Rosehip Oil – Supports repair and smoothness with essential fatty acids
• Sunflower & Soybean Oils – Provide antioxidant protection and shine

Formulated without parabens, silicones, or heavy buildup.

All Ingredients:Avocado Oil, Buriti Oil, Jojoba Oil, Rosehip Oil, Sunflower Oil, Soybean Oil, Glycine Soja (Soybean) Sterols, Coco-Caprylate/Caprate, Coconut Alkanes, Isoamyl Laurate, Isododecane, Isohexadecane, Glycolipids, Phospholipids, Butylene/Ethylene/Styrene Copolymer, Ethylene/Propylene/Styrene Copolymer, Phenoxyethanol.

• Free Shipping:
Enjoy free U.S. shipping on orders over $50. For orders under $50, shipping rates will be calculated at checkout.

• Fulfillment Timing:
Orders are processed within 3 business days (Monday–Friday) from our fulfillment center in North Carolina, USA.

• Shipping Availability:
We ship worldwide via DHL Priority. Shipping rates, including prepaid duties and taxes for international orders, are calculated at checkout.

• Order Cancellation:
Need to cancel? Send a request to support@docandglo.com within 1 hour of placing your order. After that, your order may already be queued for fulfillment.

• Return Policy:
We offer a 14-day return policy. You have 14 days after receiving your item (if unopened and unused) to request a return.

• How to Start a Return:
Contact us at support@docandglo.com to initiate your return or for any product issues.

HYDRATE

REFRESH

Customers

Don't just take it from us

The products feel soft and have transformed my skin in just a few weeks.

— Sarah Jackson

Even in 100% humidity, 85 degree weather, with sweat and swimming in between, I’ve smelled lile HEAVEN.

— Topaz H.

This deodorant is a keeper! I was unsure when first trying... but the results have been amazing!

— K. Michelle

So impressed!! I have never found a clean deodorant that has worked for me (I’ve tried many!) and I am truly shocked at how well this product work.

— Lauren L.

The deodorant being refillable is EVERYTHING!

— V. Mentor

Amazing revitalizing body spray for after sports or on the go on a daily.

— Luca Q.

As Featured In

Designed for Sensitive,

Diverse Skin Needs

Doc & Glo’s hypoallergenic, dermatologist-tested products are crafted for sensitive skin and suitable for all skin types.

Committed to Clean, Sustainable Beauty

We only use eco-conscious packaging and clean, cruelty-free formulas. We support sustainability with refillable glass bottles.

Enhanced Hydration and Skin Protection

Every Doc & Glo product offers essential hydration and a natural shield from environmental stressors.

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"This has been four years in the making. Making custom formulations, everything from scratch. Is it too much to ask for clean self-care essentials that ACTUALLY work?"

Clean body care made for bodies in motion

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Founded by Sloane Stephens, Doc & Glo keeps you fresh while bringing your best self—every day. Named after her grandparents, it honors their wisdom and empowers others to shine.

Clean products made for bodies in motion

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Frequently Asked Questions

Here’s what we get asked most often

Doc & Glo is a self-care brand founded by tennis champion Sloane Stephens. Designed for active lifestyles, our clean, high-performance body care products are tested and proven by Sloane herself—ensuring they hold up in even the toughest conditions.

Clean & Conscious Beauty
Hydration That Lasts
Gentle on All Skin Types

Our products are formulated and manufactured in the USA, following the highest quality and safety standards.

Yes! We offer free shipping on all subscription orders and for U.S. orders over $50.

We also ship worldwide with rates calculated at checkout.

Yes! Our glass bottle Deodorant and Body Mist now come in refill pouches, making it easy to restock while reducing waste. Shop refills here.

See all FAQs / Contact Us

Growth Theory Nourishing Hair Oil

Don't just take it from us

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