Skincarewithoutguesswork.
Dermatological-grade ingredient analysis, personalized to your unique biological profile. No costly trial-and-error, no generic crowd ratings — just everything you need for clear, healthy skin backed by peer-reviewed science.
Ceramide NP
CIR A+ VerifiedBio-Identical Stratum Corneum Lipid
Strengthens natural lipid matrix.
Native ceramide in healthy skin.
Reduces water loss (TEWL).
Peer-reviewed PubMed & CIR.
Two Separate Scores. Zero Ambiguity.
Most platforms blend safety and suitability into one misleading number. Kallign keeps them strictly independent.
Ingredient Safety Score
Objective Biological Toxicology
Evaluates formulations against peer-reviewed toxicology assessments from the Cosmetic Ingredient Review (CIR), U.S. FDA, and European SCCS. Measures irritation thresholds, safe use concentrations, and allergen flags regardless of who is using it.
Personalized Beauty Match
Subjective Profile Alignment
Calculates formula synergy with your specific skin type, barrier concerns, diagnosed conditions, age group, and budget. A product can be 100% biologically safe, yet completely wrong for your dry eczema-prone skin. Kallign flags both immediately.
32 Core Ingredients. Fully Cited.
Hyaluronic Acid
A naturally occurring polysaccharide found in human skin, connective tissue, and joint fluid, used in cosmetics chiefly as a humectant and skin-conditioning agent. In topical products it is almost always the sodium salt (Sodium Hyaluronate) because it is smaller and more water-soluble than pure Hyaluronic Acid.
Niacinamide
A water-soluble form of vitamin B3 used in cosmetics as a skin-conditioning agent. One of the most widely tolerated actives in modern skincare, commonly formulated between 2–10%.
Retinol
A fat-soluble vitamin A derivative that converts to retinoic acid in the skin. CIR reviews retinol together with retinyl esters as a cosmetic skin-conditioning agent group, distinct from prescription tretinoin (an FDA-regulated drug).
Vitamin C (L-Ascorbic Acid)
An antioxidant vitamin used in multiple chemical forms for brightening and free-radical photoprotection. CIR reviews ascorbic acid together with its salt and ester derivatives as one ingredient family.
Salicylic Acid
A beta-hydroxy acid used as a chemical exfoliant and, at OTC drug concentrations, an FDA-regulated acne active. CIR covers salicylic acid and 17 related salicylate ingredients.
Glycolic Acid
The smallest-molecule alpha-hydroxy acid, traditionally derived from sugar cane, used as a chemical exfoliant. CIR reviews it jointly with lactic acid and related AHA salts/esters.
Benzoyl Peroxide
An OTC acne-treatment active ingredient, FDA-designated as GRASE (Generally Recognized As Safe and Effective) since 2010, used at 2.5–10% for acne. Subject to active benzene-degradation monitoring.
Zinc Oxide & Titanium Dioxide
The two mineral (physical) UV filters recognized by the FDA. They sit on the skin surface to reflect, scatter, and absorb broad-spectrum UVA/UVB radiation.
Parabens
A widely used family of preservatives (21 individual parabens reviewed by CIR) preventing microbial and fungal contamination in cosmetics.
Fragrance / Parfum
An umbrella INCI term covering undisclosed blends of scent chemicals (from a few to 300+ individual compounds) protected as trade secrets under US labeling laws.
Dimethicone
A silicone-based polymer used extensively as a skin-conditioning agent, breathable occlusive, and texture-enhancer. CIR reviews it together with methicone polymers.
Ceramides
Naturally occurring intercellular lipids that constitute ~50% of the stratum corneum barrier. Cosmetic ceramides mimic skin barrier lipids to restore moisture retention.
Scan products in the aisle before reaching the checkout.
Snap a photo of the back of any skincare bottle or paste an INCI formula list. Our optical scanner matches every active against clinical benchmarks and your skin profile in seconds.
COPPA Age-Tiered Safeguards
Users under 13 require verified parental consent before data is stored. Anti-aging marketing and high-strength actives are locked out for teen accounts.
Zero Data Resale
Your skin profile is used exclusively to generate real-time match scores. We never sell profile data, and you can delete everything in one click from settings.
Verified Retailer Buy Links
Compare direct pricing and in-stock inventory across Target, Ulta, Sephora, and brand stores without marked-up middleman fees.