All types of hair need tender love and care—and what better time to start than during summer? Give your hair the treatment it deserves with our DIY mermaid hair serum and spray! It’s packed with herbaceous, sweet scents that’ll keep it shiny and silky even in the dry heat!

DIY mermaid hair spray

Sometimes your conditioner just doesn’t do the trick. With Cedarwood and Rosemary’s earthy, sweet aroma, this mermaid hair spray will leave your hair looking healthy and lustrous!

Rosemary Essential Oil Recipes



1. Mix essential oils and witch hazel together in an empty glass spray bottle.

2. Fill the rest of the bottle with water.

3. Add Mermaid Hair label to spray bottle.

4. Shake vigorously before use; then lightly spray on wet hair.

5. Dry and style hair as normal.

YL tip: Substitute water with salt water! It’ll give you a natural, beachy look for any occasion!

DIY mermaid hair serum

Lather your locks with this thick, magical serum after your evening shower. Let the oils soak for a boost of moisture and shine!

Cedarwood Essential Oil



1. Mix carrier oils and essential oils together in a glass pump bottle.

2. Add Mermaid Hair label to pump bottle.

3. Pump the mixture 2-3 times into your hand. Massage into hair, concentrating on the roots. Lightly apply to the shaft and ends of hair.

4. Let it sit for 30 minutes or overnight; then wash, dry, and style as normal.

5. Repeat 1-2 times a week and enjoy your mermaid hair!

YL tip: Not a fan of weekly hair treatments or sprays? Add 5 drops of Rosemary, Lavender, and Cedarwood to your shampoo and conditioner and lather away!


We’re giving away the ultimate mermaid hair kit—complete with Rosemary, Lavender, and Cedarwood essential oils, a glass spray bottle, and these gorgeous scrunchies from Andi! Keep your hair happy and healthy and channel your mermaid vibes with all of these products ($81.24 retail value). Simply fill out the form, follow ShopAndi on Instagram, and comment on this post to win. Share with us your favorite essential oil-infused DIY that you use in your beauty routine!

How to enter

1. Enter your email in the form.

2. Follow ShopAndi on Instagram.

3. Comment on this post.

Giveaway rules

    • Contest ends at noon MT, on Wednesday, July 17.
    • One winner will be chosen at random and announced on this blog post.
    • Click here for official rules.


In the mood for a hair mask? We’ve got your hair covered. For a ready-to-go hairdo, try this DIY dry shampoo!