Travel Size Milk Hair Serum
Travel Size Milk Hair Serum
4.8 stars, 127 reviews

Travel Size Milk Hair Serum

TSA-approved leave-in conditioner

Milk’s leave-in conditioner and styling serum, in a travel bottle.

450º Heat Safe
Damp or Dry Use
Frizz-Free Air Dry
Size:

Save with Bundles

The Mini Essentials Kit
The Mini Essentials Kit
$34 Savings
Free Shipping on orders $50+
Free + Easy Returns

Why we love it:

This versatile styler works on all hair types to detangle, de-frizz, and deeply moisturize, without feeling heavy. Formulated with nourishing BotaniComplex™, Red Algae and Hyaluronic Acid, it leaves hair soft, silky, and protected from heat styling.

For your at-home bottle, see full-size Milk Hair Serum. The Mini Essentials Kit also includes travel shampoo, conditioner and styling oil.

Find your drying technique in the step-by-step air-dry guide.

Apply 2-3 pumps throughout on towel-dried hair before brushing. Air dry or blow dry smooth. Once dry, apply 1-2 pumps to smooth frizz or for a day 2 refresh. Mix 2 pumps Milk Leave-In Conditioner Hair Serum with 1 pump of Santa Lucia Styling Oil for extra hydration.

Aqua / Water, Glycerin, Cetearyl Alcohol, Cetyl Alcohol,Cetrimonium Chloride, Panthenol, Furcellaria Lumbricalis Extract, Vaccinium Myrtillus Seed Oil, Amaranthus Caudatus Seed Extract, Hydrolyzed Chestnut Extract, Hydrolyzed Walnut Extract, Hydroxyacetophenone, Helianthus Annuus Seed Oil / Helianthus Annuus (Sunflower) Seed Oil, Caprylyl Glycol, 1,2-hexanediol, Sodium Gluconate, Hydroxypropyltrimonium Hyaluronate, Sodium Metabisulfite, Tocopheryl Acetate, Bisabolol, Diisostearyl Malate, Limonene, Vitis Vinifera Fruit Extract / Vitis Vinifera Fruit (Grape) Extract, Geraniol, Phenethyl Alcohol, Linalool, Zingiber Officinale Root Extract / Zingiber Officinale (Ginger) Root Extract, Boswellia Serrata Resin Extract, Hydroxycitronellal, Citric Acid, Rosmarinus Officinalis Leaf Extract / Rosmarinus Officinalis (Rosemary) Leaf Extract, Sodium Benzoate, Potassium Sorbate, Parfum / Fragrance

Cosmopolitian Holy Grail Beauty Awards

2025 Marie Claire Skin + Hair Awards

Who What Wear Greatest 100 Hair Products

Our signature fragrance evokes the spirit of an untamed California garden, verdant and clean, with subtle notes of woody vetiver and fresh, rejuvenating citron.

Notes of bergamot, fig & neroli blossom

Stylist Secret

Use Milk Hair Serum in combination with Santa Lucia Styling Oil on damp and dry hair. Lightweight enough to work on any hair type. Use 2 pumps of Santa Lucia for every 1 pump of Milk.

Mara Roszak

RŌZ Founder and Celebrity Stylist

The Routine

Milk Hair Serum

Milk Hair Serum

On towel-dried hair, use 2-3 pumps of Milk Hair Serum throughout your mid-lengths to ends.

Santa Lucia Styling Oil

Santa Lucia Styling Oil

Mix just 1-2 pumps of our styling oil with the milk to help smooth frizz. Twist or braid your hair loosely to create soft shapes as your hair dries.

Air Thickening Spray

Air Thickening Spray

Spray all over your hair and scrunch in, building body and letting your natural texture come through

Clean isn’t a compromise — it’s our standard.

Performance grade
For all hair textures
Clean ingredients
Cruelty-free
Sustainable packaging
Vegan

FAQ

Apply 2-3 pumps to damp towel-dried hair, focusing on mid-lengths to ends. Then air-dry or style as usual! Once your hair is dry, apply a touch more Milk to smooth and tame any extra frizz.

Yes—it offers heat protection up to 450°F, so it’s a great prep step before blow drying or styling with hot tools.

It’s a great option if you’re looking for lightweight hydration, softness, and frizz control without heaviness—especially for air-drying or low-maintenance styling.

Yes! The Milk Hair Serum works great on damp or dry hair. Apply a small amount to dry hair in between wash days to refresh your style or add a boost of hydration.

Overall rating: 4.8346457 / 5 from 127 reviews.

AI Generated Review Summary

The Travel Size Milk Hair Serum detangles, de-frizzes, and moisturizes hair without feeling heavy. The scent is amazing, leaving hair soft, smooth, and shiny. The shampoo and conditioner are highly appreciated, enhancing hair softness and smoothness. The size is varied, with some finding it perfect for travel, while others experience sizing issues.

Summary topics

  • Scent (30%): Many customers pointed out that the product smells amazing and leaves their hair incredibly soft, smooth, and shiny.
  • Feels (10%): It was observed by customers that the product makes their hair feel soft, smooth, and nourished.
  • Look (6%): Customers loved how their hair looked after using Roz shampoo, conditioner, and leave-in milk hair serum.
  • Shampoo (9%): Customers expressed appreciation for the shampoo and conditioner, stating that it is the best they've used.

Review topics: ["size","results","feels","scent","look","hair","bottle","serum","formula","amount","fragrance","shampoo","conditioner","leave","roz","blow","smooths","difference","works","buildup","milk"].

Review highlights

  • "The products smell amazing and leave my hair feeling clean and nourished." — Natasha P.
  • "love the scent, the lightweight feel, and the results!" — Magdalena R.
  • "loving the shampoo/conditioner, excited to see how it works on my hair after a few weeks." — Jill M.

Reviews

Hair serum - Travel size

"Great product for frizzy hair. Travel size is great."

— Raj J. (5/5)

Fabulous products

"This serum makes my hair soft and frizz free. I use other products also and love them."

— Kelly G. (5/5)

Love this product for my frizzy/ curly hair

"Really like the texture and how it applies to damp and dry hair. Helps a lot with my frizz!"

— Danielle A. (5/5)

Worth Trying!

"I've been using ROZ hair products, and I've been really happy with the results! My hair feels softer, healthier, and looks so much shinier without feeling weighed down. The products smell amazing and leave my hair feeling clean and nourished. Definitely a great addition to my hair care routine, I would recommend giving them a try!"

— Natasha P. (5/5)

Hair milk serum

"I’m so happy to have found this product through a friend. I love it"

— Amanda H. (5/5)

Great size for travel and trying a new product

"I am pleased with the size of the bottle, the product's texture, and its smell! I think it's working with my hair - have been in multiple places with diff moisture levels so still tweaking my use."

— Eugenie K. (4/5)

ROZ hair serum

"I have used the ROZ hair serum for a few days now and my hair feels soft and healthy. I can already feel the difference. It's a great product."

— Sara T. (5/5)

Milk hair serum

"Love the way it left my hair feeling. Soft and smooth. Smells great too."

— Rocio C. (5/5)

Great product

"I like the hair milk. Makes hair feel soft and healthy"

— Candace K. (4/5)

"A great wat to try this without taking a deep dive. I like it and it doesnt make me greasy. Rinses well also when you shower"

— CeceGee (4/5)

Q&A

Hair Education

Practical haircare education for consumers and salon professionals, with clear guidance on products, ingredients, washing, styling, and technique.

Read more