Browse ProductsBy ProductShampooConditionerMaskStylingTreatments and SpraysHeat ProtectorBy FamilyHydraSourceColorLastVolumeBloomKeratinDoseFiberStrongFullDensityExquisite OilAll-In-OneSmoothProofScalpSyncSunsorialsOilRenewBy Hair TypeColoured HairDry HairFine HairFrizzy HairDamaged HairFragile HairThin HairPorous HairDandruff Sun DamageSearch by hair needDISCOVER BIOLAGEABOUT USOur HistoryOur PhilosophyOur CommitmentOur EthosNatural IngredientsSustainable ProductionSustainable SalonsFood For ThoughtExpert AdviceIngredientsInspirationsSUSTAINABLE COMMITMENTOUR ETHOSNatural IngredientsSustainable ProductionSustainable Salonshome / Discover the hair solution perfect for your hair needs….Discover our ranges according to your need !Coloured HairPrevent fade with ColorLast with anti-fade orchid flower extract.See moreDry HairHydrate with HydraSource with hydrating aloe plant extract.See MoreFine HairVolumise with VolumeBloom with volume boosting cotton flower extract.See moreFrizzy HairDoes your hair curl? Do you have trouble controlling it and it is impossible to untangle it easily?Sun DamageThe sun, the sea, the salt ... in summer it can seem impossible to tame your hair but we have a solution.ScalpDoes your head itch? Do you have dandruff or start having it? Forget home remediesDamaged HairHas over processing left your hair damaged? Help repair your strands with KeratinDose.Thin HairNotice that you have less hair and your strands are fine?Fragile HairDo you notice that your hair breaks easily? Help strengthen your hair with FibreStrong.Porous HairDoes your hair feel rough, dry and is easily breakable? If you have porous hair, OilRenew can help to restore smoothness.