All Stories

  1. Surface textures modulate tactile perception

    Article • Surface Topography Metrology and Properties, December 2025, Institute of Physics Publishing

    Dr Gustavo S Luengo

  2. Acrylic Films in Cosmetics: Decoding the Structural Mechanism of a High-Performing Skin Coating

    Article • ACS Applied Materials & Interfaces, October 2025, American Chemical Society (ACS)

    Dr Gustavo S Luengo

  3. Polymers and the eco-design transformation. A cosmetic perspective

    Article • Green Materials, October 2025, Emerald

    Dr Gustavo S Luengo

  4. Biomimetic UV photo-protection of skin surface by structured epicuticular wax films

    Article • Materials Today Bio, August 2025, Elsevier

    Dr Gustavo S Luengo

  5. Surface Forces and Frictional Properties of Adsorbed Biobased Cationic Polysaccharide Thin Films in Salted Aqueous Medium

    Article • Langmuir, July 2025, American Chemical Society (ACS)

    Dr Gustavo S Luengo

  6. Foams in cosmetics: New trends in detergency, friction, coatings

    Article • Current Opinion in Colloid & Interface Science, June 2025, Elsevier

    Dr Gustavo S Luengo

  7. Self-assembly induced patterning of biomimetic fatty acid monolayers reveals their protective role on hair

    Article • Surfaces and Interfaces, May 2025, Elsevier

    Dr Gustavo S Luengo

  8. Adsorption hierarchy of surfactants and polymers to a damaged hair model: effect of composition, order and polymer size

    Article • Physical Chemistry Chemical Physics, January 2025, Royal Society of Chemistry

    Dr Gustavo S Luengo

  9. Spatial distribution of active compounds in stratum corneum—partitioning between corneocytes and lipid matrix

    Article • Scientific Reports, August 2024, Springer Science + Business Media

    Dr Gustavo S Luengo

  10. Evaporative Drying Induced Self-Assembly of Epicuticular Wax: A Biomimetic Approach in Tuning Surface Roughness

    Article • Langmuir, March 2024, American Chemical Society (ACS)

    Dr Gustavo S Luengo

  11. Mimicking the hair surface for neutron reflectometry

    Article • Soft Matter, January 2024, Royal Society of Chemistry

    Dr Gustavo S Luengo

  12. Effect of Polymer Architecture on the Adsorption and Coating Stability on Heterogeneous Biomimetic Surfaces

    Article • Macromolecules, December 2023, American Chemical Society (ACS)

    Dr Gustavo S Luengo

  13. Sensory neuron activation from topical treatments modulates the sensorial perception of human skin

    Article • PNAS Nexus, September 2023, Oxford University Press (OUP)

    Dr Gustavo S Luengo

  14. Poroelastic behavior and water permeability of human skin at the nanoscale

    Article • PNAS Nexus, August 2023, Oxford University Press (OUP)

    Dr Gustavo S Luengo

  15. Dilution-Induced Deposition of Concentrated Binary Mixtures of Cationic Polysaccharides and Surfactants

    Article • Polymers, July 2023, MDPI AG

    Dr Gustavo S Luengo

  16. The human touch: A connected neuro‐cellular skin‐brain network

    Article • Skin Research and Technology, April 2023, Wiley

    Dr Gustavo S Luengo

  17. Physico-chemical challenges on the self-assembly of natural and bio-based ingredients on hair surfaces: towards sustainable haircare formulations

    Article • Green Chemistry, January 2023, Royal Society of Chemistry

    Dr Gustavo S Luengo

  18. Shearing friction behaviour of synthetic polymers compared to a functionalized polysaccharide on biomimetic surfaces: models for the prediction of performance of eco-designed formulations

    Article • Physical Chemistry Chemical Physics, January 2023, Royal Society of Chemistry

    Dr Gustavo S Luengo

  19. 3D Molecular Imaging of Stratum Corneum by Mass Spectrometry Suggests Distinct Distribution of Cholesteryl Esters Compared to Other Skin Lipids

    Article • International Journal of Molecular Sciences, November 2022, MDPI AG

    Dr Gustavo S Luengo

  20. From decoding the perception of tightness to a clinical proof of soothing effects derived from natural ingredients in a moisturizer

    Article • International Journal of Cosmetic Science, August 2022, Wiley

    Dr Gustavo S Luengo

  21. Study of the Dilution-Induced Deposition of Concentrated Mixtures of Polyelectrolytes and Surfactants

    Article • Polymers, March 2022, MDPI AG

    Dr Gustavo S Luengo

  22. A Curly Q: Is Frizz a Matter of Friction?

    Article • Perception, June 2021, SAGE Publications

    Dr Gustavo S Luengo

  23. Adsorption and Desorption of Polymers on Bioinspired Chemically Structured Substrates

    Article • ACS Applied Materials & Interfaces, June 2021, American Chemical Society (ACS)

    Dr Gustavo S Luengo

  24. Physico-chemical study of polymer mixtures formed by a polycation and a zwitterionic copolymer in aqueous solution and upon adsorption onto negatively charged surfaces

    Article • Polymer, March 2021, Elsevier

    Dr Gustavo S Luengo

  25. Tribology of an assembly of hairs: Influence of multiscale surface chemistry and structure on sensorial tactile properties

    Article • Skin Research and Technology, January 2021, Wiley

    Dr Gustavo S Luengo

  26. Bioinspired Self-Assembled 3D Patterned Polymer Textures as Skin Coatings Models: Tribology and Tactile Behavior

    Article • Biotribology, December 2020, Elsevier

    Dr Gustavo S Luengo

  27. Structure and Colloidal Stability of Adsorption Layers of Macrocycle, Linear, Comb, Star, and Dendritic Macromolecules

    Article • Macromolecules, August 2020, American Chemical Society (ACS)

    Dr Gustavo S Luengo

  28. Deposition of Synthetic and Bio-Based Polycations onto Negatively Charged Solid Surfaces: Effect of the Polymer Cationicity, Ionic Strength, and the Addition of an Anionic Surfactant

    Article • Colloids and Interfaces, August 2020, MDPI AG

    Dr Gustavo S Luengo

  29. Self-Consistent Mean Field Calculations of Polyelectrolyte-Surfactant Mixtures in Solution and upon Adsorption onto Negatively Charged Surfaces

    Article • Polymers, March 2020, MDPI AG

    Dr Gustavo S Luengo, Professor Antonio Rey

  30. Effect of a natural amphoteric surfactant in the bulk and adsorption behavior of polyelectrolyte-surfactant mixtures

    Article • Colloids and Surfaces A Physicochemical and Engineering Aspects, January 2020, Elsevier

    Dr Gustavo S Luengo

  31. Effect of molecular structure of eco-friendly glycolipid biosurfactants on the adsorption of hair-care conditioning polymers

    Article • Colloids and Surfaces B Biointerfaces, January 2020, Elsevier

    Dr Gustavo S Luengo

  32. Turning autophobic wetting on biomimetic surfaces into complete wetting by wetting additives

    Article • Soft Matter, January 2020, Royal Society of Chemistry

    Dr Gustavo S Luengo

  33. Imaging and quantifying drug delivery in skin – Part 1: Autoradiography and mass spectrometry imaging

    Article • Advanced Drug Delivery Reviews, January 2020, Elsevier

    Dr Gustavo S Luengo

  34. Imaging and quantifying drug delivery in skin – Part 2: Fluorescence andvibrational spectroscopic imaging methods

    Article • Advanced Drug Delivery Reviews, January 2020, Elsevier

    Dr Gustavo S Luengo

  35. Effects of Imprinted 3D Surface Patterning on Localized Changes in the Tribology of Human Stratum Corneum

    Article • Langmuir, October 2019, American Chemical Society (ACS)

    Dr Gustavo S Luengo

  36. Anisotropic cellular forces support mechanical integrity of the Stratum Corneum barrier

    Article • Journal of the Mechanical Behavior of Biomedical Materials, April 2019, Elsevier

    Dr Gustavo S Luengo

  37. Imaging the distribution of skin lipids and topically applied compounds in human skin using mass spectrometry

    Article • Scientific Reports, November 2018, Springer Science + Business Media

    Dr Gustavo S Luengo

  38. Mechanisms of tactile sensory deterioration amongst the elderly

    Article • Scientific Reports, April 2018, Springer Science + Business Media

    Dr Gustavo S Luengo

  39. Glycan distribution and density in native skin's stratum corneum

    Article • Skin Research and Technology, February 2018, Wiley

    Dr Gustavo S Luengo

  40. L’impact des concepts de Pierre-Gilles de Gennes sur l’innovation en France dans le domaine des matériaux

    Article • Reflets de la physique, January 2018, EDP Sciences

    Dr Gustavo S Luengo

  41. Tribological and Mechanical Properties of Brazilian Hair

    Article • Biotribology, December 2017, Elsevier

    Dr Gustavo S Luengo

  42. Modeling of Polyelectrolyte Adsorption from Micellar Solutions onto Biomimetic Substrates

    Article • The Journal of Physical Chemistry B, September 2017, American Chemical Society (ACS)

    Dr Gustavo S Luengo

  43. Stratum Corneum Biomechanics (Mechanics and Friction): Influence of Lipids and Moisturizers

    Article • January 2017, Springer Science + Business Media

    Dr Gustavo S Luengo

  44. Hair-Hair Contact Dynamics and Interactions Studied with Atomic Force Microscopy

    Article • January 2017, Springer Science + Business Media

    Dr Gustavo S Luengo

  45. Mixed monolayers of alkane thiols with polar terminal group on gold: Investigation of structure dependent surface properties

    Article • Journal of Colloid and Interface Science, December 2016, Elsevier

    Dr Gustavo S Luengo, Prof. Inger Odnevall

  46. Adsorption of poly(diallyldimethylammonium chloride)—sodium methyl-cocoyl-taurate complexes onto solid surfaces

    Article • Colloids and Surfaces A Physicochemical and Engineering Aspects, September 2016, Elsevier

    Dr Gustavo S Luengo

  47. Tribological influence of a liquid meniscus in human sebum cleaning

    Article • Colloids and Surfaces A Physicochemical and Engineering Aspects, June 2016, Elsevier

    Dr Gustavo S Luengo

  48. Keratin network modifications lead to the mechanical stiffening of the hair follicle fiber

    Article • Proceedings of the National Academy of Sciences, May 2016, Proceedings of the National Academy of Sciences

    Dr Gustavo S Luengo

  49. Nanomechanical properties of human skin and introduction of a novel hair indenter

    Article • Journal of the Mechanical Behavior of Biomedical Materials, February 2016, Elsevier

    Dr Gustavo S Luengo

  50. Adsorption of polyelectrolytes and polyelectrolytes-surfactant mixtures at surfaces: a physico-chemical approach to a cosmetic challenge

    Article • Advances in Colloid and Interface Science, August 2015, Elsevier

    Dr Gustavo S Luengo

  51. Experimental Study and Modeling of Boundary Lubricant Polyelectrolyte Films

    Article • Macromolecules, March 2015, American Chemical Society (ACS)

    Dr Gustavo S Luengo

  52. Surfactant–polymer interactions: molecular architecture does matter

    Article • Soft Matter, January 2015, Royal Society of Chemistry

    Dr Gustavo S Luengo

  53. Hair-Hair Contact Dynamics and Interactions Studied with Atomic Force Microscopy

    Article • January 2015, Springer Science + Business Media

    Dr Gustavo S Luengo

  54. Stratum Corneum Biomechanics (Mechanics and Friction): Influence of Lipids and Moisturizers

    Article • January 2015, Springer Science + Business Media

    Dr Gustavo S Luengo

  55. Distribution and Localization of Hydrophobic and Ionic Chemical Groups at the Surface of Bleached Human Hair Fibers

    Article • Langmuir, October 2014, American Chemical Society (ACS)

    Dr Gustavo S Luengo

  56. Localization of Human Hair Structural Lipids Using Nanoscale Infrared Spectroscopy and Imaging

    Article • Applied Spectroscopy, May 2014, SAGE Publications

    Dr Gustavo S Luengo

  57. Aqueous Lubrication in Cosmetics

    Article • March 2014, World Scientific Pub Co Pte Lt

    Dr Gustavo S Luengo

  58. Self-assembly of long chain fatty acids: effect of a methyl branch

    Article • Physical Chemistry Chemical Physics, January 2014, Royal Society of Chemistry

    Professor Mark W Rutland, Dr Gustavo S Luengo

  59. Applications of Scanning Probe Methods in Cosmetic Science

    Article • November 2013, Wiley

    Dr Gustavo S Luengo

  60. Nanoscale infrared (IR) spectroscopy and imaging of structural lipids in human stratum corneum using an atomic force microscope to directly detect absorbed light from a tunable IR laser source

    Article • Experimental Dermatology, May 2013, Wiley

    Dr Gustavo S Luengo

  61. New Insight on the Friction of Natural Fibers. Effect of Sliding Angle and Anisotropic Surface Topography

    Article • Langmuir, April 2013, American Chemical Society (ACS)

    Dr Gustavo S Luengo

  62. Adsorption of Conditioning Polymers on Solid Substrates with Different Charge Density

    Article • ACS Applied Materials & Interfaces, July 2011, American Chemical Society (ACS)

    Dr Gustavo S Luengo

  63. Effect of the molecular structure on the adsorption of conditioning polyelectrolytes on solid substrates

    Article • Colloids and Surfaces A Physicochemical and Engineering Aspects, February 2011, Elsevier

    Dr Gustavo S Luengo

  64. Interactions between Crossed Hair Fibers at the Nanoscale

    Article • Langmuir, December 2010, American Chemical Society (ACS)

    Dr Gustavo S Luengo

  65. Detection of corneodesmosin on the surface of stratum corneum using atomic force microscopy

    Article • Experimental Dermatology, October 2010, Wiley

    Dr Gustavo S Luengo

  66. Chronological ageing of human hair keratin fibres

    Article • International Journal of Cosmetic Science, April 2010, Wiley

    Dr Gustavo S Luengo

  67. Adsorption and Lubricating Properties of Poly(l-lysine)-graft-poly(ethylene glycol) on Human-Hair Surfaces

    Article • ACS Applied Materials & Interfaces, August 2009, American Chemical Society (ACS)

    Dr Gustavo S Luengo

  68. Stratum Corneum Biomechanics

    Article • March 2009, Taylor & Francis

    Dr Gustavo S Luengo

  69. A closer look at the complex hydrophilic/hydrophobic interactions forces at the human hair surface

    Article • Journal of Physics Conference Series, March 2008, Institute of Physics Publishing

    Dr Gustavo S Luengo

  70. Wetting and electrical properties of the human hair surface: Delipidation observed at the nanoscale

    Article • Journal of Colloid and Interface Science, February 2007, Elsevier

    Dr Gustavo S Luengo

  71. Nanoscale Mechanical Properties – Measuring Techniques and Applications

    Article • January 2007, Springer Science + Business Media

    Dr Gustavo S Luengo

  72. Investigation of dyed human hair fibres using apertureless near-field scanning optical microscopy

    Article • Journal of Microscopy, November 2006, Wiley

    Dr Gustavo S Luengo

  73. AFM study of the unusual fatty acid on the human hair surface

    Article • Journal of Structural Biology, March 2005, Elsevier

    Dr James R Smith, Dr Gustavo S Luengo

  74. Dynamic Friction by Polymer/Surfactant Mixtures Adsorbed on Surfaces

    Article • The Journal of Physical Chemistry B, December 2004, American Chemical Society (ACS)

    Dr Gustavo S Luengo

  75. The Science of Beauty on a Small Scale. Nanotechnologies Applied to Cosmetic Science

    Article • January 2004, Springer Science + Business Media

    Dr Gustavo S Luengo

  76. How linear molecules resist to shear: the origin of nanoscale friction

    Article • January 2004, Springer Science + Business Media

    Dr Gustavo S Luengo

  77. Thermally activated lubrication with alkanes: The effect of chain length

    Article • EPL (Europhysics Letters), January 2003, Institute of Physics Publishing

    Dr Gustavo S Luengo

  78. New two-dimensional friction force apparatus design for measuring shear forces at the nanometer scale

    Article • Review of Scientific Instruments, November 2001, American Institute of Physics

    Dr Gustavo S Luengo

  79. Dielectric relaxation of poly(ethylenglycol)- b-poly(propylenglycol)-b-poly(ethylenglycol) copolymers above the glass transition temperature

    Article • The European Physical Journal E, January 2001, Springer Science + Business Media

    Dr Gustavo S Luengo

  80. Tribology of Shearing Polymer Surfaces. 2. Polymer (PnBMA) Sliding On Mica

    Article • The Journal of Physical Chemistry B, August 2000, American Chemical Society (ACS)

    Dr Gustavo S Luengo

  81. Tribology of Shearing Polymer Surfaces. 1. Mica Sliding on Polymer (PnBMA)

    Article • The Journal of Physical Chemistry B, November 1999, American Chemical Society (ACS)

    Dr Gustavo S Luengo

  82. Calorimetric and dielectric study of a blend containing a conductive polymer: poly(3-octylthiophene)+poly(ethylene-co-vinylacetate)

    Article • Polymer, October 1999, Elsevier

    Dr Gustavo S Luengo

  83. Temperature and Time Effects on the “Adhesion Dynamics” of Poly(butyl methacrylate) (PBMA) Surfaces

    Article • Langmuir, July 1998, American Chemical Society (ACS)

    Dr Gustavo S Luengo

  84. Thin Film Rheology and Tribology of Chocolate

    Article • Journal of Food Science, July 1997, Wiley

    Dr Gustavo S Luengo

  85. Topographic Information from Multiple Beam Interferometry in the Surface Forces Apparatus

    Article • Langmuir, July 1997, American Chemical Society (ACS)

    Dr Gustavo S Luengo

  86. Direct Measurement of the Adhesion and Friction of Smooth C60Surfaces

    Article • Chemistry of Materials, May 1997, American Chemical Society (ACS)

    Dr Gustavo S Luengo

  87. Thin Film Rheology and Tribology of Confined Polymer Melts:  Contrasts with Bulk Properties

    Article • Macromolecules, April 1997, American Chemical Society (ACS)

    Dr Gustavo S Luengo

  88. Generalized effects in confined fluids: new friction map for boundary lubrication

    Article • Wear, December 1996, Elsevier

    Dr Gustavo S Luengo

  89. Very low viscosity at the solid–liquid interface induced by adsorbed C60 monolayers

    Article • Nature, August 1996, Springer Science + Business Media

    Dr Gustavo S Luengo

  90. The system poly(4-hydroxystyrene)/poly(vinyl acetate)/acetone: An experimental and theoretical study

    Article • Macromolecular Chemistry and Physics, March 1994, Wiley

    Dr Gustavo S Luengo

  91. Dynamic‐mechanical and light scattering study of the glass transition of poly(vinylacetate) and a poly(vinylacetate) +poly(4‐hydroxystyrene) blend

    Article • The Journal of Chemical Physics, February 1994, American Institute of Physics

    Dr Gustavo S Luengo, Professor Antonio Rey

  92. Polymer solutions with specific interactions: η parameter for poly(4-hydroxystyrene) + acetone

    Article • Macromolecules, November 1991, American Chemical Society (ACS)

    Dr Gustavo S Luengo

  93. In vitro PHOTODYNAMIC ACTIVITY OF KRYPTOCYANINE

    Article • Photochemistry and Photobiology, October 1990, Wiley

    Dr Gustavo S Luengo

  94. Surface properties of mixtures of molecular fluids: an experimental and theoretical study of carbon disulfide + dichloromethane and carbon disulfide + carbon tetrachloride

    Article • The Journal of Physical Chemistry B, April 1989, American Chemical Society (ACS)

    Dr Gustavo S Luengo

  95. Bulk and surface thermodynamic properties in mixtures of small rigid molecules: the carbon tetrachloride + carbon disulfide system

    Article • The Journal of Physical Chemistry B, January 1988, American Chemical Society (ACS)

    Dr Gustavo S Luengo