
About this product
A lightweight lip serum with squalane, peptides and antioxidants, designed to hydrate and plump lips while reducing fine lines and dryness.
Full ingredients
Triisostearin, Polyglyceryl-2 Triisostearate, Squalane, Sucrose Hexaisostearate, Dextrin Palmitate, Aluminum Distearate, Dextrin Palmitate/Ethylhexanoate, Camellia Japonica Seed Oil, Prunus Persica (Peach) Kernel Extract, Prunus Persica (Peach) Fruit Water, Citrus Unshiu Peel Extract, Rosa Canina Fruit/(Rosa Centifolia/Rosa Damascena) Flower Extract, Lithospermum Officinale Root Extract, Saccharomyces/Camellia Sinensis Leaf/Cladosiphon Okamuranus/Rice Ferment Filtrate*, Allantoin, Stearyl Glycyrrhetinate, Tocopherol, Ethylhexyl Palmitate, Tribehenin, Sorbitan Isostearate, Palmitoyl Tripeptide-1, Pyridoxine Hcl, Aqua/Water/Eau, Propanediol, Butylene Glycol, Ethylhexylglycerin, Parfum/Fragrance, Phenoxyethanol, Iron Oxides (Ci 77491), Lauroyl Lysine, Aluminum Hydroxide, Silica
Guru Score
Yay
12 experts · Strong agreementWhat they liked
What they flagged
What the gurus are saying
This serum earns consistent praise for its cushiony, quenching texture that feels like liquid glass on the lips and delivers real hydration overnight. Most gurus found it plumps and softens while calming the lips, though a few felt it doesn't justify the price as a standalone product without pairing it with their lip moisturizer, and one found a competitor's version superior. It works better for those willing to layer it as a treatment serum rather than expecting it to do everything on its own.
Best for
Type
Formula notes
Every take we've logged from this product's reviews across YouTube. Click any row to watch the moment they said it.
Independent of what the gurus think, this is what the published research supports about the main active ingredients here.
Ingredients like these draw water into the surface layers and slow how fast it leaves. The evidence is for comfort, softness and hydration rather than for changing the structure of the skin.
Source: DermNet
Peptides are short protein fragments meant to signal repair. The evidence for them is thinner than for retinoids or vitamin C, and it varies a lot by the specific peptide, so the category is more promising than proven.
Vitamin E is an antioxidant, and it is often in a formula to keep the other ingredients stable rather than as the active itself. It pairs well with vitamin C, though on its own the evidence for visible change is limited.
A lightweight lip serum with squalane, peptides and antioxidants, designed to hydrate and plump lips while reducing fine lines and dryness.
Mostly yes. 8 of the 12 gurus who reviewed it give it their stamp of approval, for a Guru Score of 75%.
Tatcha Kissu Lip Serum holds a Guru Score of 75%. That is our read on how warmly the experts talk about it, based on the verdicts of 12 expert reviewers we have collected. At least one expert has named it a Top Pick in its category.
Tatcha Kissu Lip Serum is generally suited to dry skin and mature skin.
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