Hydrangea Tea Intensive Hydration Serum

Byroe

Hydrangea Tea Intensive Hydration Serum

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About this product

The Byroe Hydrangea Tea Intensive Hydration Serum is a serums, essence, ampoule. Our analysis of its 29 ingredients (17 low-risk) rates it Excellent (95/100). Based on its ingredients, it looks well-suited to oily / acne-prone and dry skin.

Vegan-friendly Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Serums, Essence, Ampoules
Ingredients
29
Low-risk
17
Fragrance
Fragrance-free
Origin
United States
Data updated
May 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
Betaine Sucrose Palmitate Silica Dimethyl Silylate Butylene Glycol Glycerin
Caution for dry skin
Agave Tequilana Leaf Extract Sucrose Palmitate Silica Dimethyl Silylate Glycerin Hydrogenated Lecithin
Oily/Acne-Prone Skin 1/0
Good for oily/acne-prone skin
Agave Tequilana Leaf Extract
Sensitive Skin 1/6
Good for sensitive skin
Glycerin
Caution for sensitive skin
Dipropylene Glycol Arginine Butylene Glycol Glycerin Butane Guaiazulene

Ingredients list

29 total
Lower hazard (1) Higher hazard (7)
All29 Skin Conditioning22 Fragrance10 Solvent6 Humectant5 Viscosity Controlling5 Hair Conditioning4 Perfuming4 Masking3
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
Prunus Amygdalus Dulcis Oil
(Skin Conditioning)
1
A
Pentylene Glycol
(Skin Conditioning, Solvent)
7
A
Butane
(Propellant)
Hydrangea Macrophylla Leaf Extract
(Skin Conditioning)
Lavandula Angustifolia Flower/Leaf/Stem Extract
(Flavouring, Fragrance, Oral Care, Perfuming, Skin Conditioning)
lavandula angustifolia oil
(Fragrance, Tonic)
1
Agave Tequilana Leaf Extract
(Cosmetic Astringent)
CHAMOMILLA RECUTITA FLOWER EXTRACT
(Fragrance, Skin Conditioning)
Nymphaea Caerulea Flower Extract
(Skin Conditioning)
SIMMONDSIA CHINENSIS SEED OIL
(Hair Conditioning, Skin Conditioning, Skin Conditioning Emollient)
VITIS VINIFERA SEED OIL
(Skin Conditioning, Skin Conditioning Emollient)
1
A
Macadamia Integrifolia Seed Oil
(Skin Conditioning)
Olea Europaea Fruit Oil
(Fragrance, Perfuming, Skin Conditioning)
1
4
Guaiazulene
(Cosmetic Colorant, Fragrance, Antimicrobial, Perfuming)
1
SpiruLina Maxima Extract
(Smoothing)
TOCOPHEROL
(Antioxidant, Fragrance, Skin Conditioning)
1
B
Betaine
(Hair Conditioning, Humectant, Antistatic Agent, Skin Conditioning, Viscosity Controlling)
1
A
Ethylhexylglycerin
(Deodorant, Skin Conditioning)
1
A
Arginine
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent, Masking)
1
A
Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling)
Good for Dry Skin
Good for Dry Skin
1
B
Silica Dimethyl Silylate
(Anticaking Agent, Bulking Agent, Slip Modifier, Suspending Agent Nonsurfactant, Viscosityincreasing Agent Nonaqueous, Antifoaming Agent, Emollient, Emulsion Stabilising, Viscosity Controlling)
2
A
Hydrogenated Lecithin
(Skin Conditioning, Emulsifying, Surfactant, Suspending Agent Nonsurfactant)
1
A
Dipropylene Glycol
(Fragrance, Solvent, Viscosity Decreasing Agent, Masking, Viscosity Controlling)
1
Sucrose Palmitate
(Skin Conditioning, Emollient, Emulsifying, Surfactant)
1
Acrylates/C10-30 Alkyl Acrylate Crosspolymer
(Emulsion Stabilising, Film Forming, Viscosity Controlling)
1
A
1,2-Hexanediol
(Solvent)
1
Sodium Phytate
(Chelating Agent, Oral Care Agent)

My Ingredient Notes

No personal ingredient notes yet. Save ingredients to your profile to get good/bad alerts here.

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Key ingredients

Vitamin E
Protects skin and soothes irritation.
Antioxidants
Shields skin from free radical damage.

Benefits

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

Concerns

Not fungal acne (malassezia) safe
Butane — higher EWG
May not suit sensitive skin

EWG flags hazard, not real-world risk — ratings don't account for how much of an ingredient a product contains. Treat these as things to research, not verdicts. How we score →

Ingredients explained

Water
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
Prunus Amygdalus Dulcis Oil
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Pentylene Glycol
Skin conditioning, Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningSolvent
Hydrangea Macrophylla Leaf Extract
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Lavandula Angustifolia Flower/Leaf/Stem Extract
Flavouring, Fragrance
Limited public safety data.Read moreShow less
EWG N/A FlavouringFragranceOral carePerfumingSkin conditioning
lavandula angustifolia oil
Fragrance, Tonic
Limited public safety data.Read moreShow less
EWG N/A FragranceTonic
Agave Tequilana Leaf Extract
Cosmetic astringent
Low-hazard ingredient.Read moreShow less
EWG 1 Cosmetic astringent
CHAMOMILLA RECUTITA FLOWER EXTRACT
Fragrance, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A FragranceSkin conditioning
Nymphaea Caerulea Flower Extract
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
SIMMONDSIA CHINENSIS SEED OIL
Hair conditioning, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Hair conditioningSkin conditioningSkin conditioning emollient
VITIS VINIFERA SEED OIL
Skin conditioning, Skin conditioning emollient
Limited public safety data.Read moreShow less
EWG N/A Skin conditioningSkin conditioning emollient
Macadamia Integrifolia Seed Oil
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioning
Olea Europaea Fruit Oil
Fragrance, Perfuming
Limited public safety data.Read moreShow less
EWG N/A FragrancePerfumingSkin conditioning
Guaiazulene
Cosmetic colorant, Fragrance
Low-to-moderate hazard.Read moreShow less
EWG 1–4 Cosmetic colorantFragranceAntimicrobialPerfuming
SpiruLina Maxima Extract
Smoothing
Low-hazard ingredient.Read moreShow less
EWG 1 Smoothing
+ 11 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
Butane
Propellant
Higher-hazard ingredient.Read moreShow less
EWG 7 CIR A Propellant
Butylene Glycol
Fragrance, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceSkin conditioningSolventViscositydecreasing agentHumectantMaskingViscosity controlling Good for Dry 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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