Abstract
BACKGROUND:Collagenproteinplaysanotablerolemaintainingfirmskin.Topicalcreamscontainingcollagenfibersarewidelyavailable,buttheir usefulnessisquestionableduetolimitedskinpenetration.Whenappliedinacream,collagendoesnotpenetratetheskinleavingtheskinstructure unaffected.OBJECTIVE:Weformulatedmicronizedcollageninacreambase.Usinghumanskinsamples,wesoughttoinvestigatetheabilityof themicronizedcollagencreamtopenetratehumanskin.METHODS:Particlesizesofmicronizedmarinecollagenwereevaluatedusingelectron microscopy.Opticalprofilometrywasconductedtoevaluateskintopographyandroughness.Theantioxidantactivityofthecollagenwasevaluated usingtheelectronparamagneticresonancetechniquebymeasuringthechangesinfreeradicalproduction.Collagenpenetrationdepthinhuman skinsampleswasmonitoredusinganon-invasiveopticaltechniqueknownasiterativemultiplaneopticalpropertyextraction,whichworksbased onthedetectionoflaserlightphasechangesfollowingthepresenceofcollagenparticlesindeepskinlayers.RESULTS:Accordingtotheelectron microscopy,collagenparticleswerefoundtobeofvarioussizes,thesmallestbeingabout120nmindiameter.Skintopographymeasurements revealedthatthetreatedcollagencreamincreasedskinsmoothnessofthesamples.Ourresultsderivedfromtheiterativemultiplaneopticalproperty extractionindicatedthatmicronizedcollageninacreambasepenetratesboththestratumcorneumandthedeepepidermallayerstowardthe dermis.CONCLUSION:Ourinvestigationsuggeststhatthecollageninthestudiedcreamformulationwasabletopenetratethestratumcoreum and deep epidermal layers in human skin samples.
Original language | English |
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Pages (from-to) | 59-64 |
Number of pages | 6 |
Journal | Journal of Clinical and Aesthetic Dermatology |
Volume | 15 |
Issue number | 5 |
State | Published - 1 May 2022 |
Bibliographical note
Publisher Copyright:© 2022 Matrix Medical Communications. All rights reserved.
Funding
FUNDING: The study was sponsored by Hava Zingboim Ltd., Ramat-Gan, Israel. DISCLOSURES: Drs. Lipovsky and Lubart are consultants with Hava Zingboim Ltd. The other authors report no conflicts of interest relevant to the content of this article. CORRESPONDENCE: Rachel Lubart, PhD; Email: [email protected]
Funders | Funder number |
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Hava Zingboim Ltd. |
Keywords
- Fibrillar collagen
- microparticles
- skin penetration