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Probably the most popular hair care topic, hair growth is a big business. A plethora of products address this issue, but among all, hair oils and serums probably stand out the most. In this buying guide, we found the best vegan hair growth serums to help you develop strong, thick and healthy hair.

We may earn commissions from links on this page, but we are independent and only feature vegan hair products we truly believe in. Why trust us?

Hair Serum Benefits

If you have hair growth ambitions, it starts with getting the right mindset: putting your hair first! A balanced diet, vitamins, minerals, shampoo, and lots of other factors can affect hair health and improve chances of hair growth.

However, investing in a quality hair growing serum can transform your hair more quickly and noticeably than any hair care or vitamin products. Why? Highly concentrated and potent, hair growth serums often mix oils which contain vitamins and other active ingredients. These ingredients have positive effects on your hair and scalp, such as:

  • Nourish your hair follicles
  • Cleanse the scalp
  • Repair, restore nutrients to your strands and scalp
  • Protect your hair from future damage

Best Vegan Serums for Hair Growth

Most hair serums contain harmful chemicals. Not only can they cause damages to the hair, they also have negative impacts on your health in the long-run. If you have hair loss problems, you really don’t want to grow other problems that could be worse!

We will always recommend you choose the most natural hair growth serum to any hair related issue. They are generally suitable for all types of hair and contain high-quality natural ingredients. So here we are. We put together a list of the best vegan and cruelty-free hair growth serums that will help you fight hair thinning, and support stronger, healthier scalp and hair!

hair regrowth

hair loss

Natural Hair Regrowth and Hair Loss Serum

  • Nourishes the follicular ecosystem and scalp to support healthier hair, promoting thicker and fuller hair
  • Infused with a powerful blend of multiple amino acids and peptides to detox follicle buildup
  • Without sulfates, parabens or gluten
  • Vegan, cruelty-free
  • 1 FL OZ / 30 ML
Get It on Amazon

hair protection

thicker hair

Coconut Argan Oil

Sun Bum
  • Protects, strengthens and restores your locks
  • Made with argan, sweet almond and sunflower seed
  • Lightweight hair treatment
  • No parabens
  • Vegan, cruelty-free
  • 3 fl oz / 88 mL
Get It on Amazon

damaged hair

hair regrowth

thicker hair

Natural Hair Thickening Serum

OMM Collection
  • Promotes hair thickening and repairs damaged hair
  • Made with Marula, Moringa, Amla oils, plus prickly pear and aloe
  • Packed with omega 6, oleic and linoleic fatty acids, and vitamin B & E
  • No parabens or sulfates
  • Vegan, cruelty-free
  • 2 fl oz / 60 mL
Get It on Amazon


damaged hair


Night Spa Serum for Hair Growth

  • Reduces frizz and add softness to your hair
  • Restores hair and increases resistance and elasticity
  • includes micro amino acids and Myrica fruit wax that protects dry and damaged hair
  • Vegan, cruelty-free
  • 8.45 fl oz / 250 mL
Get It on Amazon

scalp and hair hydration

Hemp Hydrating Hair Growth Oil

  • Stimulates, moisturizes and revitalizes scalp and hair
  • Helps protect hair from heat-styling and humidity, while preventing future breakage
  • Powered by aloe vera, hemp seed oil, turmeric and other botanical extracts and oils
  • No sulfates, parabens, mineral oils, propylene glycol, phthalates, artificial dyes
  • Vegan, cruelty-free
  • 2.75 fl oz / 81 mL
Get It on Amazon

damaged hair

hair shine

hair protection

Vegan Silk Overnight Peptide Hair Serum

Pacifica Beauty
  • Adds shine and helps repair dry, damaged ends while you sleep
  • Biomimetic peptide has moisture-binding capabilities to help hair retain hydration while smoothing damaged strands
  • Helps protect hair color from chemical damage
  • without parabens, phthalates, petroleum, silicone, SLS or mineral oil
  • Vegan, cruelty-free
  • 2 fl oz / 59 mL
Get It on Amazon

color treated hair

Hydrate Shine Max Weightless Serum

  • Hydrating, smoothing, and shine enhancing hair leave-in serum
  • Made with all-natural oils and plant extracts of Jojoba, Green Tea, and Sage
  • Features signature aromatherapy blend (Ylang Ylang, Bergamot, and Patchouli)
  • No sulfates
  • Vegan, cruelty-free
  • 4.2 fl oz / 125 mL
Get It on Amazon

scalp treatment

dry hair

PureFix Hair Elixir

Voice of Hair
  • Helps prevent and treat dry, flaky scalp
  • Mix it with your favorite deep conditioner or use it as a pre-shampoo treatment
  • Unique blend of 25+ natural ingredients such as biotin, black seed oil and black castor oil
  • No mineral oils or parabens
  • Vegan, cruelty-free
  • 2 fl oz / 59 mL
Get It on Amazon

stronger hair

thicker hair

Healthy Hair Growth Oil Serum With Botanicals

  • Supplies your hair and scalp with all nutrients for growth, thickness and strength
  • Forms a natural barrier on the skin to lock in moisture and keep microbes out
  • Made with argan oil, coconut oil, castor oil, tea tree oil and grape seed oil
  • Vegan, cruelty-free
  • 2 fl oz / 59 mL
Get It on Amazon

hair growth


Clearly GAIN - Hair Growth and Thickening Scalp Treatment

Isabella's Clearly
  • Fights hair loss, promotes new hair growth
  • Made with 16 different oils and Himalayan salt crystals
  • Free of toxins, chemicals and preservatives
  • Vegan, cruelty-free
  • 2 fl oz / 60 mL
Get It on Amazon

If you’re just like us and can’t get enough of effective, natural and vegan hair growth serums, discover these natural oils for hair growth now!

Love is the Answer. Share is the Way!

Amie A.

Creative hairdresser, vegan consumer and writer