Frequently asked questions

What does "anhydrous" mean?

Anhydrous means "contains no water". There are many benefits to anhydrous formulas.
1. Less energy to manufacture
2. Concentrated, more stable formulas
3. Less packaging material
4. Cost less to ship
5. They're travel friendly!

What are the clinically proven results that help prevent hair loss and stimulate hair growth?

In a group test (99 participants) over a period of 8 months, participants experienced the following results:

  • 3 months: 21.3% increase in Hair Density, 73.1% increase in Hair Growth, 21.2% decrease in Hair Loss.
  • 6 months: 22.1% increase in Hair Density, 85.7% increase in Hair Growth, 30.9% decrease in Hair Loss.
  • 8 months: 24.9% increase in Hair Density, 112.7% increase in Hair Growth, 34.0% decrease in Hair Loss.

In a self-evaluation survey, results included:

  • 100% Would continue to use
  • 100% Saw their hair loss stabilized
  • 90% Saw their hair loss stop
  • 95% Saw their hair more resistant
  • 90% Found their hair was denser
  • 85% Felt their hair was thicker
  • 85% Felt their scalp was better covered
  • 80% Saw regrowth of small hairs

How do I use Vacaville anhydrous shampoo?

Make sure your hair is thoroughly wet. Dust powder shampoo across your wet palm and rub your hands together to activate powder into a creamy lather. Apply starting at your scalp, moving outward to your hair. Leave on for 3 minutes to get the full benefit of scalp health and hair growth ingredients. Rinse, towel dry, and follow with Leave-in Conditioner + Detangler.

How many washes will I get from one bottle?

1 full size bottle of our shampoo typically equals four bottles of traditional shampoo! 🤑

It will vary from person to person, but you'll get about 28-32 from a full size bottle and 7-8 washes from a travel size bottle.

These are highly concentrated formulas, so don't be alarmed by the small size–it's part of what makes them so sustainable.

Our promise to you

You don't have to sacrifice great hair just to be eco-friendly. Vacaville delivers both with our premium, clinically-proven, high-performance, clean ingredient formulas + Oceanworks® PCR packaging.

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