Mens Re:Gro Anti-Thinning Shampoo

California Naturals

Mens Re:Gro Anti-Thinning Shampoo

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About this product

The California Naturals Mens Re:Gro Anti-Thinning Shampoo is a misc. Our analysis of its 37 ingredients (26 low-risk) rates it Excellent (99/100). Based on its ingredients, it looks well-suited to dry skin. Heads up: it contains fragrance, which can irritate sensitive or reactive skin.

Vegan-friendly Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Misc
Ingredients
37
Low-risk
26
Fragrance
Contains fragrance
Origin
United States
Data updated
Jun 2026

The evidence

Quick Product Notes

Paraben-Free Sulfate-Free Alcohol-Free Silicone-Free EU Allergen-Free Fungal Acne (Malassezia) Safe

Notable Effects & Ingredients

No Notable Effects & Ingredients

Ingredients Related to Skin Types

Good   Bad — tap a skin type to see which ingredients · estimated from ingredient functions
Dry Skin 5/5
Good for dry skin
Nigella Sativa Seed Oil Argania Spinosa Kernel Oil Butylene Glycol Glycerin Lactic Acid
Caution for dry skin
Disodium 2-Sulfolaurate Sodium Lauroyl Methyl Isethionate Sodium Methyl 2-Sulfolaurate Charcoal Powder Glycerin
Oily/Acne-Prone Skin No data
Sensitive Skin 3/8
Good for sensitive skin
Acetyl Tetrapeptide-3 Glycerin Aloe Barbadensis Leaf Juice
Caution for sensitive skin
Galactoarabinan Nigella Sativa Seed Oil Caffeine Butylene Glycol Glycerin Sodium Benzoate Potassium Sorbate Lactic Acid

Ingredients list

37 total
Lower hazard (1) Higher hazard (4)
All37 Skin Conditioning31 Fragrance12 Perfuming5 Hair Conditioning5 Humectant4 Viscosity Controlling4 Masking3 Surfactant3
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(Solvent)
1
Cocamidopropyl Hydroxysultaine
(Antistatic Agent, Hair Conditioning, Skin Conditioning, Sufactant, Foam Boosting, Viscosity Increasing Agent, Viscosity Controlling)
1
Sodium Methyl 2-Sulfolaurate
(Cleansing, Foaming, Surfactant)
1
A
Disodium EDTA
(Chelating Agent, Viscosity Controlling)
1
Disodium 2-Sulfolaurate
(Cleansing, Surfactant)
B
Aloe Barbadensis Leaf Juice
(Skin Conditioning)
Good for Sensitive Skin
Good for Sensitive Skin
1
B
Sodium Lauroyl Methyl Isethionate
(Cleansing, Surfactant)
2
A
Glycerin
(Denaturant, Fragrance, Hair Conditioning, Humectant, Oral Care Agent, Oral Health Care Drug, Skin Protecting, Viscosity Decreasing Agent, Perfuming, Solvent)
Good for Dry Skin
Good for Dry Skin
Fungal Acne
Fungal Acne Trigger
1
A
Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling)
Good for Dry Skin
Good for Dry Skin
1
A
Dextran
(Binding Agent, Bulking Agent, Binding, Viscosity Controlling)
1
Acetyl Tetrapeptide-3
(Skin Protecting)
Trifolium Pratense Flower
(Skin Conditioning)
PERSEA GRATISSIMA OIL
(Skin Conditioning)
Urtica Dioica Extract
(Anti Seborrheic, Astringent, Hair Conditioning, Skin Conditioning, Soothing, Tonic)
1
A
Argania Spinosa Kernel Oil
(Emollient, Skin Conditioning)
Fungal Acne
Fungal Acne Trigger
Cucurbita Pepo Seed Oil
(Skin Conditioning, Skin Conditioning Emollient)
Ricinus Communis Seed Oil
(Fragrance, Perfuming, Skin Conditioning)
1
Serenoa Serrulata Fruit Extract
(Lytic Agent, Skin Conditioning)
TOCOPHEROL
(Antioxidant, Fragrance, Skin Conditioning)
1
Saccharomyces/Xylinum/Black Tea Ferment
(Skin Conditioning)
rosmarinus officinalis leaf extract
(Antimicrobial, Fragrance, Skin Conditioning)
1
A
Biotin
(Hair Conditioning, Skin Conditioning, Antiseborrhoeic)
1
A
Panthenol
(Antistatic Agent, Hair Conditioning, Skin Conditioning)
Good for Dry Skin
Good for Dry Skin
1
Nigella Sativa Seed Oil
(Emollient, Perfuming, Skin Conditioning)
1
Lactobacillus Ferment
(Skin Conditioning)
Citrus Aurantium Bergamia Fruit Oil
(Fragrance, Perfuming)
3
Zinc Gluconate
(Cosmetic Biocide, Skin Conditioning, Deodorant)
1
Adenosine
(Skin Conditioning)
1
Caffeine
(Fragrance, Skin Conditioning, Masking)
1
Charcoal Powder
(Abrasive, Absorbent, Colorant, Opacifying, Cosmetic Colorant)
1
A
Ethylhexylglycerin
(Deodorant, Skin Conditioning)
3
A
Sodium Benzoate
(Fragrance, Preservative, Anticorrosive, Masking)
3
A
Potassium Sorbate
(Fragrance, Preservative)
4
B
Lactic Acid
(Exfoliant, Fragrance, Humectant, Ph Adjuster, Skin Conditioning Agent Humectant, Skin Conditioning, Buffering Agent)
Bad for Sensitive Skin
Bad for Sensitive Skin
2
Iron Oxides
(Colorant, Cosmetic Colorant)
1
A
Galactoarabinan
(Film Forming, Fragrance)
PARFUM
(Fragrance, Perfuming)

My Ingredient Notes

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Key ingredients

Vitamin E
Protects skin and soothes irritation.
Peptides
Supports skin hydration and improves firmness.
Zinc
Helps control oil and supports healing.
Antioxidants
Shields skin from free radical damage.
Exfoliators
Removes dead skin cells to smoothe texture.

Benefits

HydratingBoosts hydration and relieves dry, tight skin.
Reduces IrritationEases discomfort and supports skin resilience.
Barrier RepairStrengthen and restore your skin's natural barrier.
Redness ReducingSoothes visible redness and calms irritation.
Anti-AgingSoftens lines and helps skin look youthful.
Good For Oily SkinBalances oil and helps reduce shine.
Scar HealingImproves the look of marks and scars.
Dark SpotsFades dark spots for even skin tone.

Concerns

Not fungal acne (malassezia) safe
May not suit sensitive skin

Ingredients explained

Water
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
Cocamidopropyl Hydroxysultaine
Antistatic agent, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Antistatic agentHair conditioningSkin conditioningSufactantFoam boostingViscosity increasing agentViscosity controlling
Sodium Methyl 2-Sulfolaurate
Cleansing, Foaming
Low-hazard ingredient.Read moreShow less
EWG 1 CleansingFoamingSurfactant
Disodium EDTA
Chelating agent, Viscosity controlling
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Chelating agentViscosity controlling
Disodium 2-Sulfolaurate
Cleansing, Surfactant
Low-hazard ingredient.Read moreShow less
EWG 1 CleansingSurfactant
Sodium Lauroyl Methyl Isethionate
Cleansing, Surfactant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B CleansingSurfactant
Dextran
Binding agent, Bulking agent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Binding agentBulking agentBindingViscosity controlling
Acetyl Tetrapeptide-3
Skin protecting
Low-hazard ingredient.Read moreShow less
EWG 1 Skin protecting
Trifolium Pratense Flower
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
PERSEA GRATISSIMA OIL
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Urtica Dioica Extract
Anti seborrheic, Astringent
Limited public safety data.Read moreShow less
EWG N/A Anti seborrheicAstringentHair conditioningSkin conditioningSoothingTonic
Cucurbita Pepo Seed Oil
Skin conditioning, Skin conditioning emollient
Limited public safety data.Read moreShow less
EWG N/A Skin conditioningSkin conditioning emollient
Ricinus Communis Seed Oil
Fragrance, Perfuming
Limited public safety data.Read moreShow less
EWG N/A FragrancePerfumingSkin conditioning
Serenoa Serrulata Fruit Extract
Lytic agent, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Lytic agentSkin conditioning
TOCOPHEROL
Antioxidant, Fragrance
Limited public safety data.Read moreShow less
EWG N/A AntioxidantFragranceSkin conditioning
+ 16 more — see the full ingredients list above
Aloe Barbadensis Leaf Juice
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A CIR B Skin conditioning Good for Sensitive Skin
Glycerin
Denaturant, Fragrance
Low-hazard ingredient.Read moreShow less
EWG 2 CIR A DenaturantFragranceHair conditioningHumectantOral care agentOral health care drugSkin protectingViscosity decreasing agentPerfumingSolvent Good for Dry SkinFungal-acne trigger
Butylene Glycol
Fragrance, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceSkin conditioningSolventViscositydecreasing agentHumectantMaskingViscosity controlling Good for Dry Skin
Argania Spinosa Kernel Oil
Emollient, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmollientSkin conditioning Fungal-acne trigger
Panthenol
Antistatic agent, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Antistatic agentHair conditioningSkin conditioning Good for Dry Skin
Lactic Acid
Exfoliant, Fragrance
Skin irritation can occur at high concentrationRead moreShow less
EWG 4 CIR B ExfoliantFragranceHumectantPh adjusterSkin-conditioning agent -humectantSkin conditioningBuffering agent Bad for Sensitive Skin

How to use

How to use

  • 1 Evening, start slow: Best in the PM a few times a week to begin with; avoid layering with other strong actives the same night.
  • 2 Wear SPF the next day: Acids and retinoids increase sun sensitivity — daily sunscreen is a must while using this.

General guidance from this product's category and active ingredients — always follow the directions on the package.

Trust & honesty

Effective levels — general guide

The concentrations these actives are typically effective at in research — not a measurement of this product.

AHA (acid exfoliant) 5–10% (OTC)

OTC leave-on AHAs are usually 5–10%. The effect also depends on pH and free-acid value, not the percentage alone.

Lactic Acid

INCI lists don't disclose amounts, and we don't claim to know this product's levels — these are the ranges these ingredients are usually effective at, so you can tell a real formula from "fairy-dusting" a marketed active. How we estimate this.

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