Formulation guides by problem, not by brochure name
Browse by topic cluster, learn selection criteria, then source with confidence in the Ingredient Finder.
Explore by topic
Explore by topicCarrier / cosmetic oilsOxidation budget, sensory weight, process and pack — then a documented lot.Carrier oilsEssential oilsProduct type and paperwork first. No aromatherapy. No kitchen drop counts.Essential oilsDry botanical extractsIdentity, solvent history, carrier and chassis — not brown dust with a plant name.Dry botanical extracts
High-margin oil, extract and peptide problems
If the table scored an overnight smear, it has not judged this wash-off oilInternet tables still score overnight neat-oil patches. A 2026 oil cleanser sits for a minute and then goes down the drain. How a formulator reads contact time — not yesterday’s cream page, not a peptide acne article.Once the challenged bottle is named, a blank dropper is a second objectThe challenged bottle is already named. Labs still decant into a blank dropper and lose the code. How a formulator treats a transfer vessel — not two-bottle identity, not raw leftover oxidation, not the challenge clock.The word glycolic on a botanical extract does not make it glycolic acid“Glycolic extract” usually describes a botanical extraction carrier, not an AHA claim. Read the INCI, carrier and plant identity before formulating.MAP vitamin C precipitated? Diagnose solubility, pH and the whole serumWhy magnesium ascorbyl phosphate can cloud or precipitate in a serum and what to check before adding more solvent.If the peptide carries a palmitoyl tail, the first fight is the phase, not a water habitA lipidated peptide dropped into a water-phase SNAP-8 habit. Haze or a cream split follows. How a formulator reads this lot’s phase — not solubilizer-versus-emulsifier theory, not a lyophilized vial, not incoming powder identity.After re-close exists, a shared scoop is still a second plantRe-close is already written. Labs still walk one scoop through witch hazel and green tea. How a formulator separates two plant powders — not open-time, not humidity mass, not carrier/excipient.All formulation articlesMO-LAB →
Regenerative / trending actives
PDRNWhat PDRN is, which documentation to ask for, and how to evaluate a grade before it enters a leave-on serum or cream.ExosomesHow to read an exosome or extracellular-vesicle brief: origin, isolation, particle-size data, storage, and claims that stay inside the documentation.PDRN for SerumWater-phase PDRN in serums: cool-down addition, rheology, and preservative fit.PDRN for CreamPlace PDRN in emulsions without breaking stability or overstating the active.PDRN + Hyaluronic AcidCombine PDRN and HA: fraction choice, order of addition, viscosity control.PDRN + PeptidesStack PDRN with peptides — compatibility, addition order, realistic pairing.Exosomes for SerumExosome serums: characterization, aqueous dispersion, gentle processing.Exosomes + PeptidesPair exosomes and peptides without destabilizing either water-phase active.
Peptides
PeptidesA practical map of cosmetic peptides: families, pH and heat limits, pairing, and why the brochure name is not a specification.GHK-Cu Copper PeptideGHK-Cu in water serums: copper chemistry, chelation, late-stage addition.Argireline (Acetyl Hexapeptide-8)Argireline placement for expression-zone serums and delicate bases.Matrixyl PeptidesMatrixyl INCI clarity (3000 vs 6000), premix handling, multi-peptide plans.Peptides for SerumChoose and stabilize cosmetic peptides in aqueous serum architecture.Peptides for Eye CareEye-area peptides: lighter bases, sting-aware preservation, fewer actives.
Hydration & barrier
Hyaluronic AcidHigh-MW for surface slip, low-MW for lighter depth — or blend both.Oils / ButtersOleic-rich for cushion, linoleic-light for dry oil — read the fatty acid profile.Ectoin for Barrier SerumEctoin in barrier serums: water phase, comfort partners, preservative load.Niacinamide FormulationNiacinamide solubility, pH planning, crystallization, and format fit.Ceramides FormulationCeramide dispersions, lamellar structure, emulsifier pairing.Bakuchiol FormulationBakuchiol in oil phase: stability, sensory, and realistic night-care roles.HA Molecular WeightsPick HA fractions by molecular weight category — slip, body, hydration feel.Sodium Hyaluronate vs HAINCI naming vs salt form: what changes in your formula and label.
Formula architecture
PreservativesOne preservative rarely covers everything. Build the full system.ThickenersCarbomer gel, gum suspension, or polymer slip — rheology sets the feel.EmulsifiersO/W, W/O, or liquid crystal — match the emulsion to your brief.Preservative for SerumPreserve aqueous serums with peptides, acids, and low water activity in mind.Preservative for CreamEmulsion preservation: jars, water activity, and oil-phase microbiology.Emulsifier for Face CreamMatch emulsifier system to face cream goals — O/W feel, stability, actives.Thickener for SerumSerum rheology without stringiness: polymers, gums, ionic sensitivity.Solubilizer vs EmulsifierWhen you need micellar clarity vs a true emulsion — decision guide.
Lab diagnostics & comparisons
Formulation Diagnostics HubProblem-first cluster: peptide and barrier comparisons, pilling, viscosity, emulsion splits, challenge tests.Argireline vs SNAP-8Choose between two SNARE-pathway peptides by chassis, evidence, and process — not a potency slogan.Matrixyl vs GHK-CuMatrix peptide versus copper peptide: oil-phase vs chelator conflicts.Why a Serum PillsDiagnose pilling before you rewrite the formula: film, powder, or layering.Why a Gel Loses ViscosityCause tree for gels that thin after actives: salt, solvent, pH, hydration.Ectoin vs Beta-GlucanPick one water-phase comfort lead — ectoin or beta-glucan — before you tax the chassis with both.Bakuchiol vs Retinol FormulationProcess fork, not a potency score: oil-adjacent bakuchiol versus retinoid handling.Why an Emulsion SeparatesTimestamp the split before you swap the emulsifier: beaker, cycle, active, or reactor.Challenge Test vs Preservative SelectionSelecting a system is not a passed protocol. Split the two jobs on one water-rich formula.Carbomer Electrolyte ThinningSalt-shock mechanism for acrylate gels: prove the ion load before you reorder a polymer family.Solubilize Fragrance in WaterKeep a scent trace clear in a gel or toner — solubilize, do not hide a cream in the water.EDTA vs Sodium PhytatePick one chelator for this water: EDTA-type file versus phytate-type file, not both for insurance.Humectant BlendAssign glycerin, propanediol, and betaine roles before you stack three hydration names.