Our Testing & Results - The Earthling Co.

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Our Testing & Results

Real Results for Real Women - Backed by 87,000+ 5-Star Reviews & Clinical Testing

At The Earthling Co, we believe choosing more sustainable, natural products shouldn’t force you to compromise on performance.

That’s why we conduct clinical testing on all our shampoo & conditioner bars to ensure that they perform at the level at, or better than, traditional liquid shampoo.

We formulate our products with clinically proven ingredients to support your hair’s health from within so you can feel more confident, beautiful and worry less.

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Volumizing Shampoo & Conditioner Bars

A blend of Vitamin B5 (Panthenol), Marshmallow Root & Jojoba Oil naturally nourish hair & scalp, protecting from breakage and loss for thicker, stronger hair.

These antioxidant rich ingredients help to lock in moisture and boost fullness without sulfates, silicones, parabens or phthalates for a clean formula that performs.

Boosting Hair Thickness & Volume
Result What was measured
85% increase in volume1
89% increase in shine2
66% increase in softness, smoothness & moisture3
28.5% more resistant to breakage4
  1. 1 Conducted on 6 type III wavy hair samples over 1 week. Data presented versus control. The Earthling Co. Data on File. 2024.
  2. 2 Conducted on 6 type II straight & bleached hair samples over 1 week. Data presented versus control. Presented results for wet hair. The Earthling Co. Data on File. 2024.
  3. 3 Conducted on 6 type I straight hair samples over 2 weeks. Data presented versus control. The Earthling Co. Data on File. 2024.
  4. 4 Conducted on 7 type I straight hair samples over 11 days from test and control groups. The Earthling Co. Data on File. 2024.

Volumizing Shampoo & Conditioner Bars

$31.98

Moisturizing Shampoo & Conditioner Bars

Pea peptides, hyaluronic acid and vegan keratin seal in moisture to strengthen strands to smooth frizz and fight breakage. Ideal for damaged, dry and frizzy hair, it repairs from the inside out without sulfates, silicones, parabens or phthalates for a rich lather and healthier hair.

Taming Frizz & Fighting Breakage
Result What was measured
23.8% reduction in frizz1
41% reduction in breakage2
58.3% increase in softness, smoothness & moisture3
86.4% increase in shine4
  1. 1 Conducted on 6 type III wavy hair samples over 12 days. Data presented versus control after drying. The Earthling Co. Data on File. 2026.
  2. 2 Conducted on 4 type III wavy hair samples over 5 days. Data presented versus control after combing. The Earthling Co. Data on File. 2026.
  3. 3 Conducted on 6 type II bleached straight hair samples over 16 days. Data presented versus clean control. The Earthling Co. Data on File. 2026.
  4. 4 Conducted on 6 type II straight hair samples over 11 days. Data presented versus clean control. The Earthling Co. Data on File. 2026.

Moisturizing Shampoo & Conditioner Bars

$31.98

Our Ingredients

Clean, non-toxic ingredients that are clinically proven to deliver results

We always formulate without sulfates, silicones, phthalates, parabens & artificial fragrances and colors to deliver safe products for you and your family. Our formulations are built on clinically-proven ingredients, so that you can rest assured our products leave you with healthier, stronger hair without compromise.