--- title: "Lipid secretion regulation" description: "Measure lipid secretion from sebocyte models." image: "https://cosmetic-labs.com/wp-content/uploads/sebum-regulation-service-1200x1200-1.webp" --- # Lipid secretion regulation > Measure lipid secretion from sebocyte models. Source: https://cosmetic-labs.com/services/clinical/efficacy/sebum-control-testing/sebaceous-gland-oily-skin/sebum-regulation Created: 2025-01-23T10:18:02+00:00 Modified: 2026-10-25T10:28:33+00:00 Author: Emilie SCHOL Lipid secretion regulation | Cosmetic Labs ## What is Lipid secretion regulation? Lipid secretion regulation testing measures how ingredients affect lipid output from sebocyte models. It distinguishes changes in released lipids from intracellular storage and provides preclinical evidence relevant to sebum-control research. ### Why do you need this service? Lipid-secretion studies investigate released lipids in sebocyte models. Use them to distinguish a change in secretion from changes in intracellular storage, cell number or viability. ## Be the first company on this service page No published company profiles are linked to Lipid secretion regulation or its more specific services yet. Explore the service categories or add an explicitly supported capability to your company profile. [List your company](https://cosmetic-labs.com/account/companies/new) Definition ## Lipid secretion regulation This service examines the lipid output of sebaceous cells, a different endpoint from lipid synthesis or the amount of oil collected from a person’s skin. Sebum release involves sebocyte maturation and breakdown, so extracellular lipid measurements require careful interpretation. ### Measuring released lipids Labs compare treated and control sebocyte cultures using a collection and extraction procedure suited to the model. Total lipid assays or chromatographic analysis can quantify output and characterize selected lipid classes. Extracellular lipid content normalized to cell number or another defined measure - Intracellular lipid measurements for comparison with release - Viability and cell damage markers to identify nonspecific leakage - Concentration-response and time-course studies ### Connecting secretion to oil-control development Combined measurements help distinguish reduced synthesis, altered maturation, and changes in lipid release. A culture result does not establish pore refinement, skin pH effects, or protection against over-drying. Sebum collection and sebometry on volunteers are separate clinical approaches for testing whether a finished formulation changes surface oil under intended use conditions. Applications ## Investigating sebocyte lipid output Define whether the question concerns released lipid, lipid synthesis or intracellular accumulation. Those endpoints are related but do not answer the same question. Sample preparation and the analytical method should permit the intended comparison between treated and reference models. Interpret a lower extracellular lipid signal with viability and intracellular measurements where relevant. A cell-damaging treatment can reduce output without providing a useful regulatory mechanism. These findings guide sebum-related ingredient research. Human surface-oil collection and shine measurements belong to product-use studies and do not directly measure sebocyte secretion. Corneometry measures stratum-corneum hydration, not sebum, and cannot substitute for the lipid endpoint. ExplorationLearn more about Sebaceous Gland & Oily SkinInvestigate sebaceous-gland and oily-skin mechanisms through sebocyte differentiation, lipid production and inflammatory responses in laboratory models. Explore another Sebaceous Gland & Oily Skin page on cosmetic-labs.com. #### [Oily skin efficacy testing](https://cosmetic-labs.com/services/clinical/efficacy/sebum-control-testing/sebaceous-gland-oily-skin/oily-skin) Investigate oily-skin mechanisms through sebocyte activity, lipid production and inflammatory responses, with human oil-control claims assessed separately. [Check this service](https://cosmetic-labs.com/services/clinical/efficacy/sebum-control-testing/sebaceous-gland-oily-skin/oily-skin) #### [Sebocyte differentiation](https://cosmetic-labs.com/services/clinical/efficacy/sebum-control-testing/sebaceous-gland-oily-skin/sebocytes) Assess sebocyte differentiation through cell markers and lipid accumulation to investigate ingredient effects on sebaceous-gland biology in models. [Check this service](https://cosmetic-labs.com/services/clinical/efficacy/sebum-control-testing/sebaceous-gland-oily-skin/sebocytes) #### [PPAR modulation](https://cosmetic-labs.com/services/clinical/efficacy/sebum-control-testing/sebaceous-gland-oily-skin/ppar) Assess ingredient effects on PPAR signalling and related sebocyte lipid responses through gene expression, receptor and lipid-content measurements. [Check this service](https://cosmetic-labs.com/services/clinical/efficacy/sebum-control-testing/sebaceous-gland-oily-skin/ppar) #### [5α-reductase inhibition](https://cosmetic-labs.com/services/clinical/efficacy/sebum-control-testing/sebaceous-gland-oily-skin/5alpha-reductase) Measure 5α-reductase inhibition using enzyme assays and suitable sebocyte models to investigate a mechanism relevant to oily-skin formulation research. [Check this service](https://cosmetic-labs.com/services/clinical/efficacy/sebum-control-testing/sebaceous-gland-oily-skin/5alpha-reductase) #### [Lipogenesis inhibition](https://cosmetic-labs.com/services/clinical/efficacy/sebum-control-testing/sebaceous-gland-oily-skin/lipogenesis) Investigate lipid synthesis in sebocyte models using synthesis-related measurements and lipid profiling, keeping mechanisms distinct from user outcomes. [Check this service](https://cosmetic-labs.com/services/clinical/efficacy/sebum-control-testing/sebaceous-gland-oily-skin/lipogenesis) #### [Inflammatory mediators regulation](https://cosmetic-labs.com/services/clinical/efficacy/sebum-control-testing/sebaceous-gland-oily-skin/inflammatory-regulation) Investigate inflammatory mediators in sebocyte or related skin models to assess ingredient responses relevant to oily-skin formulation development. [Check this service](https://cosmetic-labs.com/services/clinical/efficacy/sebum-control-testing/sebaceous-gland-oily-skin/inflammatory-regulation) #### [C. acnes inhibition](https://cosmetic-labs.com/services/clinical/efficacy/sebum-control-testing/sebaceous-gland-oily-skin/antimicrobial) Measure ingredient activity against C. acnes in defined microbial assays, with suitable controls and findings limited to the tested strains and conditions. 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