(3,218 Reviews)

Onion Hydrosol Shower Duo

Onion Hydrosol Shower Duo

 ✅ Reduces Hair Fall 

 ✅ Sulfur-Rich Formula 

 ✅ Fresh Herbal Scent 

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Onion Hydrosol Shower Duo

Onion Hydrosol Shower Duo

$35.00
$35.00 $35.00
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Fuller, Thicker Hair with Onion Hydrosol Shampoo & Conditioner

Before and after results with Selvela Onion Hydrosol

Your hair is thinning because your scalp is starving for sulfur. Our Onion Hydrosol Hair Care feeds your follicles exactly what they need to grow thicker, stronger hair naturally.

Why Women Are Switching to Onion Hydrosol

Remember how thick your hair used to be? It's not gone forever. Your follicles are just dormant, waiting for the right nutrients to wake them up.

Onion hydrosol contains concentrated sulfur that penetrates deep into your scalp, stimulating blood flow and reactivating sleeping follicles. This isn't folklore — it's proven science published in the Journal of Dermatology.

Woman with healthy thick hair

What Makes Our Formula Different

Our Shampoo

  • Pure onion hydrosol to awaken dormant follicles
  • Rosemary oil clinically proven to boost hair growth
  • Nettle extract that blocks the hormone causing hair loss
  • Zero sulfates, parabens, or harsh chemicals
  • Fresh herbal scent (no onion smell!)

Our Conditioner

  • Onion extract to strengthen every strand
  • Castor oil for visible thickness
  • Argan oil for youthful shine
  • Biotin to prevent breakage
Selvela Onion Hydrosol Shampoo and Conditioner bottles

Real Results Timeline

  • Week 1 Less hair in your brush
  • Week 2 Scalp feels healthier, hair looks fuller
  • Week 4 Baby hairs start appearing along hairline
  • Week 8 Visibly thicker, stronger hair
Hair growth results over 8 weeks

How It Works

The sulfur in onion hydrosol does three critical things:

1

Wakes Up Dormant Follicles

Boosts blood circulation directly to your scalp, reviving follicles that have gone to sleep.

2

Strengthens Existing Hair

Fortifies every strand from root to tip so hair is stronger and less prone to breakage.

3

Creates Perfect pH Balance

Establishes the ideal environment on your scalp for healthy, sustained hair growth.

While mainstream shampoos strip everything away, ours gently cleanses while delivering nutrients directly where needed.

Perfect For You If:

  • You notice more hair falling out than usual
  • Your hair feels thinner than it used to
  • You're tired of chemical products that don't work
  • You want natural solutions backed by science
  • You're ready for real results
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Try Risk-Free: 30-Day Money Back Guarantee

Try it for 30 days. If you don't love how your hair looks and feels, get a full refund. No questions asked.

We're a small family business, and your satisfaction means everything to us.

Selvela Onion Hydrosol lifestyle photo

Frequently Asked Questions

Not at all! We ferment the onions first to neutralize the sharp odor, then use a special cold-extraction process that captures the beneficial sulfur compounds while leaving behind any remaining pungent smell. Plus, we blend it with rosemary, peppermint, and lavender essential oils. Your hair will have a fresh, spa-like herbal scent.
For best results, use 3 times per week. Each application is like a treatment for your scalp. You can use it more frequently if desired — our sulfate-free formula is gentle enough for daily use.
Yes! Our sulfate-free, natural formula is gentle on colored and processed hair. It won't strip your color or interfere with treatments.
Each 300ml bottle provides approximately 30–35 washes. If you use it 3 times weekly as recommended, one bottle lasts about 2.5–3 months.
Everyone's hair is different, but most customers notice their hair feels healthier and sheds less within the first 2 weeks. Fuller-looking hair typically becomes noticeable after 4–6 weeks of consistent use.
Absolutely! While we formulated it with women in mind, the natural ingredients work great for anyone looking to support scalp health and hair thickness. Many customers buy it for their whole family.

Key Ingredients

Shampoo

  • Onion Hydrosol (Allium Cepa Bulb Water): Stimulates follicles and growth
  • Rosemary Oil: Promotes circulation and growth
  • Peppermint Oil: Stimulates and refreshes scalp
  • Nettle Extract: Reduces DHT, thickens hair
  • Aloe Vera Juice: Hydrates and soothes scalp
  • Hydrolyzed Vegetable Protein: Strengthens hair structure
  • Biotin: Supports healthy hair growth
  • Cocamidopropyl Betaine: Gentle sulfate-free cleansing
  • Glycerin: Retains scalp moisture

Conditioner

  • Onion Hydrosol (Allium Cepa Bulb Water): Strengthens and supports growth
  • Castor Oil: Thickens hair and reduces frizz
  • Argan Oil: Nourishes and softens hair
  • Pumpkin Seed Oil: Strengthens and moisturizes
  • Lavender Oil: Calms scalp and promotes growth
  • Biotin: Supports keratin production
  • Panthenol: Strengthens and adds shine
  • Aloe Vera Juice: Soothes and hydrates
  • Hydrolyzed Vegetable Protein: Repairs damaged hair
  • Cetearyl Alcohol: Natural conditioning agent (from coconut)
  • Behentrimonium Chloride: Detangles and conditions
  • Glycerin: Retains hair moisture

Full Ingredients

Shampoo:

Water/Aqua, Aloe Barbadensis Leaf Juice, C14-16 Olefin Sulfonate, Cocamide MIPA, Cocamidopropyl Betaine, Glycerin, Decyl Glucoside, Allium Cepa (Onion) Bulb Water, Sodium Benzoate, Phenoxyethanol, Potassium Sorbate, Polyquaternium-10, Hydrolyzed Vegetable Protein, Ethylhexylglycerin, Urtica Dioica (Nettle) Extract, Calcium Gluconate, Biotin, Rosmarinus Officinalis (Rosemary) Leaf Oil, Mentha Piperita (Peppermint) Oil

Conditioner:

Water/Aqua, Aloe Barbadensis Leaf Juice, Cetearyl Alcohol, Behentrimonium Chloride, Coco-Caprylate, Glycerin, Allium Cepa (Onion) Bulb Water, Hydrolyzed Vegetable Protein, Sodium Benzoate, Dicaprylyl Carbonate, Potassium Sorbate, Lauryl Glucoside, Phenoxyethanol, Ethylhexylglycerin, Polyquaternium-37, Isopropyl Alcohol, Polyquaternium-10, Rosmarinus Officinalis (Rosemary) Leaf Oil, Lavandula Angustifolia (Lavender) Oil, Cucurbita Pepo (Pumpkin) Seed Oil, Panthenol, Argania Spinosa (Argan) Kernel Oil, Ricinus Communis (Castor) Seed Oil, Biotin, Sodium Gluconate

Customer Reviews

★★★★★

Based on 290 reviews

5 ★
(264)
4 ★
(25)
3 ★
(1)
2 ★
(0)
1 ★
(0)
M
Michelle
★★★★★
The best combo I've ever used
I definitely can tell the difference when I use it and when I don't! I am on my second round of bottles! They last a long time and there are noticeable differences in my hair!
K
KD
★★★★★
Stopped the shedding
From the very first use the shedding stopped. My hair actually feels thicker. It's soft and manageable. There is no onion smell. It has a very pleasant smell. It did not strip out my hair color either. I bought the shampoo and the conditioner. I'm very happy with this product.
L
Linda R.
★★★★★
I love how my hair feels
I've used the shampoo and conditioner 4 times so far… I love how my hair looks and feels! It has brought out the curl that had almost disappeared. I'm losing so little in the shower and brush — it is totally negligible. I love this stuff!
M
Marigrace P.
★★★★★
Finally found a product that says what it does...
I started using the shampoo and conditioner in May. I'm still on my first bottle and I have noticed a significant change in my hair. I have salt and pepper hair and I was losing a lot of hair in the shower and from just brushing it everyday. I've started to notice baby hair growing where my hair was receding. My hair looks healthier and shinier now.
E
EEK
★★★★★
Doesn't weigh my hair down
The shampoo is plenty sudsy and the conditioner is light. Neither weighs my hair down. I'm one month in and so far I've noticed a bit less fallout in the shower.

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