Bio 53 Matrix Plus

Rhonda Allison

Where to buy Possibly in stock

About this product

The Rhonda Allison Bio 53 Matrix Plus is a serums, essence, ampoule. Our analysis of its 30 ingredients (21 low-risk) rates it Excellent (97/100). Based on its ingredients, it looks well-suited to oily / acne-prone 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
Serums, Essence, Ampoules
Ingredients
30
Low-risk
21
Fragrance
Contains fragrance
Origin
United States

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 4/5
Good for dry skin
Glucuronolactone Squalane Glycerin Propylene Glycol
Caution for dry skin
Camellia Oleifera Leaf Extract Xanthan Gum Glycerin Sodium Hydroxide Alcohol Denat.
Oily/Acne-Prone Skin 2/0
Good for oily/acne-prone skin
Camellia Oleifera Leaf Extract Alcohol Denat.
Sensitive Skin 4/6
Good for sensitive skin
Glucuronolactone Glycerin Allantoin Aloe Barbadensis Leaf Juice Powder
Caution for sensitive skin
Glycerin Propylene Glycol Citric Acid Acacia Senegal Gum Alcohol Denat. Benzyl Alcohol

Ingredients list

30 total
Lower hazard (1) Higher hazard (5)
All30 Skin Conditioning22 Fragrance9 Humectant6 Solvent5 Emulsion Stabilising4 Masking4 Viscosity Controlling4 Perfuming4
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(Solvent)
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
3
B
Propylene Glycol
(Fragrance, Humectant, Skin Conditioningagent Miscellaneous, Solvent, Viscosity Decreasing Agent, Skin Conditioning, Viscosity Controlling)
Good for Dry Skin
Good for Dry Skin
1
A
Squalane
(Emollient, Hair Conditioning, Refatting, Skin Conditioning)
1
CI 75810
(Cosmetic Colorant, Deodorant)
sh-Oligopeptide-1
(Skin Conditioning)
1
Sodium Chondroitin Sulfate
(Hair Conditioning, Skin Conditioning, Antistatic Agent)
1
A
Carbomer
(Emulsion Stabilising, Viscosity Increasing Agent, Gel Forming, Viscosity Controlling)
5
A
Benzyl Alcohol
(External Analgesic, Fragrance, Oral Health Care Drug, Preservative, Solvent, Viscosity Decreasing Agent, Masking)
Allergens
Allergens
1
Leuconostoc/Radish Root Ferment Filtrate
(Antidandruff Agent, Antimicrobial)
3
A
Acacia Senegal Gum
(Adhesive, Fragrance, Film Forming, Masking)
3
B
Sodium Hydroxide
(Denaturant, Ph Adjuster, Buffering Agent)
Ricinus Communis Seed Oil
(Fragrance, Perfuming, Skin Conditioning)
1
A
Allantoin
(Skin Conditioning, Skin Protecting, Soothing)
Good for Oily Skin
Good for Oily Skin
Good for Sensitive Skin
Good for Sensitive Skin
1
A
Sodium Gluconate
(Chelating Agent, Skin Conditioning)
1
Caprylhydroxamic Acid
(Chelating Agent)
Bisabolol
(Fragrance, Skin Conditioning, Soothing)
Glycyrrhiza Glabra Rhizome/Root Extract
(Skin Conditioning)
1
Glucuronolactone
(Humectant, Skin Protecting, Skin Conditioning)
1
A
Phospholipids
(Skin Conditioning)
1
3
Aloe Barbadensis Leaf Juice Powder
(Skin Conditioning)
Good for Sensitive Skin
Good for Sensitive Skin
1
Camellia Oleifera Leaf Extract
(Astringent, Skin Conditioning)
Hamamelis Virginiana Water
(Astringent, Hair Conditioning, Skin Conditioning, Soothing)
2
A
Citric Acid
(Chelating Agent, Fragrance, Ph Adjuster, Buffering Agent, Masking)
Bad for Sensitive Skin
Bad for Sensitive Skin
1
Crocus Chrysanthus Bulb Extract
(Skin Conditioning)
4
Alcohol Denat.
(Antifoaming Agent, Antimicrobial, Astringent, Masking, Solvent, Viscosity Controlling)
Bad for Dry Skin
Bad for Dry Skin
Bad for Sensitive Skin
Bad for Sensitive Skin
1
Fullerenes
(Antimicrobial, Skin Conditioning)
1
A
Xanthan Gum
(Binding Agent, Emulsion Stabilising, Skin Conditioning, Surfactant Emulsifying Agent, Viscosity Increasing Agent, Binding, Gel Forming, Viscosity Controlling)
PARFUM
(Fragrance, Perfuming)
Mentha Piperita Oil
(Fragrance, Perfuming, Refreshing, Tonic)

My Ingredient Notes

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Key ingredients

Glycerin
Humectant, Skin Protecting
Propylene Glycol
Humectant, Skin Conditioning
Squalane
Emollient, Skin Conditioning
sh-Oligopeptide-1
Skin Conditioning
Sodium Chondroitin Sulfate
Skin Conditioning
Ricinus Communis Seed Oil
Skin Conditioning

Benefits

Good for oily/acne-prone skin

Concerns

Contains eu allergen
Not fungal acne (malassezia) safe
May not suit dry skin
May not suit sensitive skin

Ingredients explained

Water
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
Squalane
Emollient, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmollientHair conditioningRefattingSkin conditioning
CI 75810
Cosmetic colorant, Deodorant
Low-hazard ingredient.Read moreShow less
EWG 1 Cosmetic colorantDeodorant
sh-Oligopeptide-1
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Sodium Chondroitin Sulfate
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Hair conditioningSkin conditioningAntistatic agent
Carbomer
Emulsion stabilising, Viscosity increasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Emulsion stabilisingViscosity increasing agentGel formingViscosity controlling
Leuconostoc/Radish Root Ferment Filtrate
Antidandruff agent, Antimicrobial
Low-hazard ingredient.Read moreShow less
EWG 1 Antidandruff agentAntimicrobial
Acacia Senegal Gum
Adhesive, Fragrance
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A AdhesiveFragranceFilm formingMasking
Sodium Hydroxide
Denaturant, Ph adjuster
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B DenaturantPh adjusterBuffering agent
Ricinus Communis Seed Oil
Fragrance, Perfuming
Limited public safety data.Read moreShow less
EWG N/A FragrancePerfumingSkin conditioning
Sodium Gluconate
Chelating agent, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Chelating agentSkin conditioning
Caprylhydroxamic Acid
Chelating agent
Low-hazard ingredient.Read moreShow less
EWG 1 Chelating agent
Bisabolol
Fragrance, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A FragranceSkin conditioningSoothing
Glycyrrhiza Glabra Rhizome/Root Extract
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Glucuronolactone
Humectant, Skin protecting
Low-hazard ingredient.Read moreShow less
EWG 1 HumectantSkin protectingSkin conditioning
+ 8 more — see the full ingredients list above
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
Propylene Glycol
Fragrance, Humectant
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B FragranceHumectantSkin-conditioningagent - miscellaneousSolventViscosity decreasing agentSkin conditioningViscosity controlling Good for Dry Skin
Benzyl Alcohol
External analgesic, Fragrance
Moderate-hazard ingredient.Read moreShow less
EWG 5 CIR A External analgesicFragranceOral health care drugPreservativeSolventViscosity decreasing agentMasking Allergens
Allantoin
Skin conditioning, Skin protecting
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningSkin protectingSoothing Good for Oily SkinGood for Sensitive Skin
Aloe Barbadensis Leaf Juice Powder
Skin conditioning
Low-to-moderate hazard.Read moreShow less
EWG 1–3 Skin conditioning Good for Sensitive Skin
Citric Acid
Chelating agent, Fragrance
Skin irritation can occur at high concentrationRead moreShow less
EWG 2 CIR A Chelating agentFragrancePh adjusterBuffering agentMasking Bad for Sensitive Skin
Alcohol Denat.
Antifoaming agent, Antimicrobial
Causes moisture evaporation - prone to dry out skinRead moreShow less
EWG 4 Antifoaming agentAntimicrobialAstringentMaskingSolventViscosity controlling Bad for Dry SkinBad for Sensitive Skin

How to use

How to use

  • 1 Where it fits: Apply after toner and before moisturiser — thinnest to thickest.
  • 2 Morning & evening: Suitable for both AM and PM use.

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

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