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Farmstay Tea Tree Biome Calming Sun Serum
Farmstay

Tea Tree Biome Calming Sun Serum

SPF 45 · PA++ Tone-up Brightening veil from mineral & tone-up formulas; evens out your skin tone. South Korea global Formulation variant: global. Region-specific reformulations are tracked as separate products.

DHHB + isoamyl methoxycinnamate + octisalate serum with fragrance; lighter SPF45 PA++ but no EDC octinoxate, mostly clean botanicals.

HYB Hybrid filters Hybrid filters — Mineral + chemical filters together for the best of both. ((· BS Broad spectrum Broad spectrum — Blocks UVA + UVB — covers the whole sun-damage spectrum. A A-FREE Alcohol-free Alcohol-free — No drying short-chain alcohols (denatured / SD alcohol).
Where to buy it
YesStyle US In stock
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69.6
Composite
Composite score · independent
Ranks #874 of 1558 in the current catalogue. DHHB + isoamyl methoxycinnamate + octisalate serum with fragrance; lighter SPF45 PA++ but no EDC octinoxate, mostly clean botanicals.
Composite is a weighted blend: UV 25% · Modernity 10% · Sensitivity 15% · Environment 10% · Elegance 15% · Health 25%. That's the recipe.
01 The score breakdown
UV protection How hard it blocks UVA + UVB across the spectrum at the stated SPF/PA. 84
Filter modernity Dings legacy filters (octinoxate, oxybenzone); rewards photostable next-gen ones. 76
Sensitivity safety Risk for reactive skin — fragrance, alcohol, and known sensitisers. 48
Reef / env. safety Reef toxicity plus how biodegradable the UV filters and surfactants are. 100
Cosmetic elegance Spread, finish, white-cast, and how it actually feels on skin. 62
Health safety Endocrine concerns and systemic absorption signals across the whole formula. 58
02 Composition · key UV filters 5 filters resolved
UVA-I 340–400nm UVA-I (340–400nm) — covered UVA-II 320–340nm UVA-II (320–340nm) — covered UVB 290–320nm UVB (290–320nm) — covered
Octisalate Legacy Older organic filter. Photostable in combination; some literature concerns.
Bemotrizinol Modern Next-gen photostable filter; low irritation profile.
Uvinul A Plus Modern Next-gen photostable filter; low irritation profile.
Amiloxate Legacy Older organic filter. Photostable in combination; some literature concerns.
Titanium Dioxide Mineral Physical filter — sits on skin and reflects UV. Reef-safer.
03 The facts, at a glance
Protection
Filter type Mineral filters (zinc oxide, titanium dioxide) sit on skin and reflect UV. Chemical filters absorb UV. Hybrid runs both.
Hybrid
Broad spectrum Covers both UVA and UVB. UVA drives aging and deeper damage; UVB gives you burns.
Yes
Formulation & feel
Texture How it feels going on — milk, gel, cream, spray, stick, essence, lotion, powder, or cushion.
Essence
Finish How it looks once dry: matte, natural, dewy, or glowy.
Natural
Tinted Adds sheer pigment (iron oxides) that masks the white cast common to mineral filters and gives a skin-tone finish.
No
Fragrance-free No synthetic perfume added. Not FDA-defined in the US; the EU requires 'Parfum' + the 26 named allergens on the label. 'Unscented' is different — it can hide masking fragrance. Botanical oils still scent.
No
Alcohol-free No drying short-chain alcohols (alcohol denat., SD alcohol, ethanol). Doesn't mean fatty alcohols like cetyl or stearyl — those are emollients.
Yes
Verdict Is it worth it?

A lighter serum hybrid with octisalate, bemotrizinol, DHHB, amiloxate, and titanium dioxide, supported by niacinamide, panthenol, and cica. SPF45 PA++ is lower than peer offerings, and added fragrance limits suitability for reactive skin.

Pros
  • Modern DHHB and bemotrizinol filters
  • Niacinamide and panthenol included
  • Cica and madecassoside support calming claims
  • Alcohol-free essence texture
  • No octinoxate or oxybenzone
Cons
  • SPF45 PA++ is lower protection than most peers
  • Added fragrance present in a calming formula
  • Tea tree leaf extract can bother very reactive skin
  • Lighter texture may not last full sun-exposure days

Who it's for: Buyers wanting a lightweight calming SPF for moderate daily exposure; not for high-UV days or fragrance-sensitive skin.

04 Full ingredient list (INCI) 40 ingredients
MODERN FILTER 2 LEGACY FILTER 3 MINERAL FILTER 1 ADDED FRAGRANCE 1 NATURAL FRAGRANCE 1 ALCOHOL 0 WATCH 0 ACTIVE 7
Aqua·Butylene Glycol· Butyloctyl Salicylate Salicylate-class booster; supports avobenzone. ·Dibutyl Adipate· Ethylhexyl Salicylate Octisalate — older filter; well-tolerated. ·Ceteareth-6 Olivate· Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine Tinosorb S — broad-spectrum, very photostable. · Diethylamino Hydroxybenzoyl Hexyl Benzoate Uvinul A Plus — modern photostable UVA filter. · Isoamyl p-Methoxycinnamate Amiloxate ·amate (pending review)· Titanium Dioxide Mineral UV filter — physical block; reef-safer. ·Acrylates Copolymer· Niacinamide Vitamin B3 — barrier + brightening. ·Cetearyl Olivate·Sorbitan Olivate· Panthenol Vitamin B5 — soothing humectant. ·Sodium Acrylate/Sodium Acryloyldimethyl Taurate Copolymer·Caprylyl Glycol·Isohexadecane· Ethylhexylglycerin Humectant — the workhorse hydrator. · Fragrance Synthetic fragrance blend — a common irritant. Composition is a trade secret; can include dozens of compounds. Avoid if your skin is reactive. ·Ppg-17/Ipdi/Dmpa Copolymer·Disodium Edta·Microcrystalline Cellulose·1‚2-Hexanediol·Polysorbate 80·Aluminum Hydroxide· Adenosine Smoothing active. ·Sorbitan Oleate·Cellulose Gum· Melaleuca Alternifolia Leaf Extract Essential / botanical oil — releases scent compounds (terpenes, aldehydes) naturally. Marketed as "natural" but still a recognised source of contact sensitivity. ·ppm (pending review)·Hexylene Glycol·Bifida Ferment Lysate·Lactose· Centella Asiatica Extract Centella — calming, repair. ·Phenethyl Alcohol·Milk Protein· Tocopherol Vitamin E — antioxidant. · Madecassoside Centella — calming, repair.
Source: brand-published INCI. Last verified 2026. Show in detail
01 Aqua Water
02 Butylene Glycol Butylene Glycol
03 Butyloctyl Salicylate LEGACY FILTER Salicylate-class booster; supports avobenzone.
04 Dibutyl Adipate Dibutyl Adipate
05 Ethylhexyl Salicylate LEGACY FILTER Octisalate — older filter; well-tolerated.
07 Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine MODERN FILTER Tinosorb S — broad-spectrum, very photostable.
08 Diethylamino Hydroxybenzoyl Hexyl Benzoate MODERN FILTER Uvinul A Plus — modern photostable UVA filter.
09 Isoamyl p-Methoxycinnamate LEGACY FILTER Amiloxate
10 amate Pending review
11 Titanium Dioxide MINERAL FILTER Mineral UV filter — physical block; reef-safer.
12 Acrylates Copolymer Acrylates Copolymer
13 Niacinamide ACTIVE Vitamin B3 — barrier + brightening.
14 Cetearyl Olivate Cetearyl Olivate
15 Sorbitan Olivate Sorbitan Olivate
16 Panthenol ACTIVE Vitamin B5 — soothing humectant.
17 Sodium Acrylate/Sodium Acryloyldimethyl Taurate Copolymer Sodium Acrylate/Sodium Acryloyldimethyl Taurate Copolymer
18 Caprylyl Glycol Caprylyl Glycol
19 Isohexadecane Isohexadecane
20 Ethylhexylglycerin ACTIVE Humectant — the workhorse hydrator.
21 Fragrance ADDED FRAGRANCE Synthetic fragrance blend — a common irritant. Composition is a trade secret; can include dozens of compounds. Avoid if your skin is reactive.
23 Disodium Edta Disodium EDTA
24 Microcrystalline Cellulose Microcrystalline Cellulose
25 1‚2-Hexanediol 1,2-Hexanediol
26 Polysorbate 80 Polysorbate 80
27 Aluminum Hydroxide Aluminum Hydroxide
28 Adenosine ACTIVE Smoothing active.
30 Cellulose Gum Cellulose Gum
31 Melaleuca Alternifolia Leaf Extract NATURAL FRAGRANCE Essential / botanical oil — releases scent compounds (terpenes, aldehydes) naturally. Marketed as "natural" but still a recognised source of contact sensitivity.
32 ppm Pending review
33 Hexylene Glycol Hexylene Glycol
34 Bifida Ferment Lysate Bifida Ferment Lysate
35 Lactose
36 Centella Asiatica Extract ACTIVE Centella — calming, repair.
37 Phenethyl Alcohol Phenethyl Alcohol
39 Tocopherol ACTIVE Vitamin E — antioxidant.
40 Madecassoside ACTIVE Centella — calming, repair.