Tatcha The Longevity Serum vs TATCHA THE SILK SUNSCREEN SPF50 $64
14%Match
Only 14% overlap — quite different formulas
Ingredient Breakdown
Only in Tatcha The (36)
acrylates-c10-30-alkyl-acrylate-crosspolymer
alpinia-speciosa-leaf-extract
aphanothece-sacrum-polysaccharides
Arginine
C: 0/5I: 0/5amino acid
astrocaryum-murumuru-seed-butter
beta-caryophyllene
bidens-pilosa-extract
cellulose-gum
Citral
C: 0/5I: 3/5fragrance
citrus-aurantium-bergamia-peel-oil
citrus-depressa-peel-extract
citrus-limon-peel-oil
diphenylsiloxy-phenyl-trimethicone
dipotassium-glycyrrhizate
dipropylene-glycol
eau
geranyl-acetate
Glycerin
C: 0/5I: 0/5humectant
gossypium-herbaceum-seed-oil
hydroxypropyl-methylcellulose-stearoxy-ether
lauryl-betaine
Limonene
C: 0/5I: 3/5fragrance
Linalool
C: 0/5I: 3/5fragrance
linalyl-acetate
linum-usitatissimum-seed-oil
lysine-carboxymethyl-cysteinate
morinda-citrifolia-fruit-juice
oryza-sativa-bran-oil
Parfum
C: 0/5I: 4/5fragrance
peg-10-dimethicone
pinene
psidium-guajava-leaf-extract
saccharomyces-lysate-extract
terpineol
terpinolene
turpentine
Shared (12)
Butylene Glycol
C: 1/5I: 1/5humectant
camellia-sinensis-leaf-extract
caprylyl-methicone
cladosiphon-okamuranus-extract
Ethylhexylglycerin
C: 0/5I: 1/5preservative
iron-oxides
Phenoxyethanol
C: 0/5I: 2/5preservative
Propanediol
C: 0/5I: 0/5humectant
saccharomyces-rice-ferment-filtrate
silica
Squalane
C: 1/5I: 0/5emollient
Tocopherol (Vitamin E)
C: 2/5I: 1/5antioxidant
Only in TATCHA THE (35)
Allantoin
C: 0/5I: 0/5humectant
Aqua (Water)
C: 0/5I: 0/5other
arctium-lappa-root-extract
bisabolol
c12-15-alkyl-benzoate
caesalpinia-spinosa-fruit-extract
Caprylic/Capric Triglyceride
C: 1/5I: 0/5emollient
caprylyl-glycol
Dimethicone
C: 1/5I: 0/5silicone
dimethicone-crosspolymer
hdi-trimethylol-hexyllactone-crosspolymer
hexylene-glycol
hydrogenated-lecithin
hydrolyzed-silk
isododecane
kappaphycus-alvarezii-extract
lactobacillus
lauryl-peg-8-dimethicone
laurylpeg10tristrimethylsiloxysilylethyldimethicone
Lecithin
C: 2/5I: 0/5emollient
maltodextrin
Niacinamide
C: 0/5I: 1/5antioxidant
peg-10
phosphoric-acid
polyglyceryl-2-dipolyhydroxystearate
polyglyceryl-4-diisostearate-polyhydroxystearate-sebacate
polymethylsilsesquioxane
Propylene Glycol
C: 0/5I: 2/5humectant
Sodium Chloride
C: 0/5I: 0/5other
Sodium Hyaluronate
C: 0/5I: 0/5humectant
Sodium Hydroxide
C: 0/5I: 2/5other
Tetrasodium Glutamate Diacetate
C: 0/5I: 0/5other
theobroma-cacao-seed-extract
tridecyl-salicylate
zincoxide
When Used Together
SynergyGlycerin + Squalane
[Class rule] Humectants pull moisture in, emollients lock it down. Classic hydration layering.