Botanical science for scalp and strand

Botanical science for fuller-looking hair.

A three-step scalp and strand routine built with plant-based ingredients, considered botanicals, and disclosed actives — never hidden inside a “blend.” Cleanse, choose your serum, and condition.

SHOP THE RANGE READ THE STANDARD
Considered Botanicals

Plant ingredients chosen for a defined role in the formula, not for label appeal.
Full Formula

Every formula is disclosed clearly on its product page — never hidden in a “blend.”
Visible Care

Supports scalp condition and the appearance of fuller-looking hair.

The Range

Cleanse.Choose your serum.Condition.

Four formulas built on one ingredient-led idea. Use the full routine, or reach for the single step yours is missing.
Step 01 · Cleanse

Botanical cleanse

Botanical Scalp Shampoo

For a balanced-feeling scalp

A sulfate-free cleanse that helps remove buildup while leaving the scalp calm and comfortable.

Key ingredients

Ecklonia cava, pea sprout, apple polyphenols

$56

.16 oz

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Step 02 · Condition

Botanical finish

Botanical Conditioning

Soft, weightless strands

Lightweight strand care that smooths and softens, with no silicones or heavy residue.

Key ingredients

Green tea, nettle, panthenol, rice protein

$56

.16 oz

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Step 03 · Plant-forward serum

Plant-forward serum

Botanical Scalp Serum

A natural-first daily step

A leave-on botanical serum made to support scalp condition and the look of fuller hair over time.

Key ingredients

Saw palmetto, pea sprout, apple polyphenols

$58

. 2 oz

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Step 04 · Peptide serum

Peptide serum

Peptide Scalp Serum

Our most advanced leave-on

A daily serum pairing peptides with scalp-supportive actives for a fuller-looking finish.

Key ingredients

Biotinoyl tripeptide-1, acetyl tetrapeptide-3

$58

· 2 oz

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Choose Your Serum

Two serum directions. One range.

Pick the plant-forward serum or the peptide serum, depending on how advanced you want your daily leave-on step to be.

Botanical Scalp Serum

For a plant-forward routine.

A daily botanical serum built on plant extracts, made to support scalp condition and the appearance of fuller hair.

  • Best for a natural-first routine
  • Best if you prefer plant actives
  • An easy, gentle place to start

Peptide Scalp Serum

For a more advanced step.

A daily serum combining peptides with scalp-supportive actives — our most concentrated leave-on direction.

  • Best if you want the most advanced formula
  • Best if you prefer peptide-led actives
  • The focused leave-on step

Choose one direction and use it consistently before switching or layering.

The Standard

Science-led, plant-based haircare for thinning hair.

Glarus is made to support scalp comfort, improve strand feel, and help hair look fuller over time.

Every formula is built with plant-based ingredients and carefully selected cosmetic actives chosen for a clear purpose: gentle cleansing, scalp care, healthier-looking strands, and visible fullness.

Our packaging is intentionally simple because our focus is the formula.

Simple outside. Serious inside.

Natural first. Science-led always.

READ THE STANDARD

Science-led

Cosmetic actives chosen with intention.

Plant-based

Botanical foundation, thoughtfully built.

Scalp-focused

Care that begins at the root.

Transparent

Full formulas disclosed clearly.

Formula first

Simple packaging. Serious ingredients.

Responsible

No unnecessary presentation layers.

Botanical foundation

Advanced plant ingredients, each with a purpose.

Every botanical we highlight earns its place, selected for a defined role in the formula, not simply for label appeal.

Ecklonia Cava

Marine antioxidant

A seaweed-derived extract we include for antioxidant scalp-care support.

Shampoo · Serums

Pea Sprout

Density appearance

A sprout extract chosen to support routines aimed at the look of fuller hair.

Shampoo · Serums

Apple Polyphenols

Plant-derived active

Polyphenols from apple, included for scalp care and a healthier-looking finish.

Shampoo · Serums

Saw Palmetto

Scalp-focused botanical

A plant extract we use for its place in scalp-care routines — no drug-style promises.

Shampoo · Serums

Formula standard

Natural first.

Specific always.

Each formula is built on clear ingredient purpose,

complete transparency, and cosmetic claims we keep measured.

Saw Palmetto

A plant extract used across the scalp-care range.

Adenosine

A well-studied cosmetic active included to support the look of fuller hair.

Peptides

Featured in the peptide serum for our most advanced leave-on direction.

Pea Sprout

A plant active chosen for everyday scalp care and the appearance of visible density.

Ecklonia Cava

A marine botanical added for antioxidant scalp-care support.

Complete routine

Start at the scalp. Finish with the strand.

Cleanse, choose a single serum, then seal the routine with lightweight conditioning care.

Botanical Scalp Shampoo

CLEANSE

$56

Botanical Conditioning Treatment

CONDITION

$56

Peptide or Botanical Scalp Serum

CHOOSE ONE SERUM

$58

Three-step routine

$170

SHOP THE ROUTINE

Includes one serum · Complete ingredient lists on every product page

The ritual

Give it time.

Botanical-science haircare works best as a consistent routine: cleanse, choose one serum, and condition. Use steadily for roughly twelve weeks before judging the appearance of fuller-looking hair.

First washes

The scalp feels cleaner and lighter.

Regular use

Hair feels softer and healthier-looking.

Over time

Supports the appearance of fuller-looking hair.
Cosmetic care
Fully disclosed
Individual results vary

What we avoid

No vague blends.

No miracle promises.

Glarus keeps the cosmetic boundary clear: no regrowth guarantees, no exaggerated before-and-afters, and no ingredient stories that obscure the actual formula.

No hidden blends

Ingredient lists are disclosed clearly instead of tucked behind vague complex names.

No cure claims

Our language stays focused on scalp care, comfort, and the appearance of fuller-looking hair.

No filler story

Highlighted ingredients must have a defined role in the formula.