Maria Valéria Robles Velasco

ORCID: 0000-0003-4950-8510
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About
Contact & Profiles
Research Areas
  • Skin Protection and Aging
  • Bee Products Chemical Analysis
  • Dyeing and Modifying Textile Fibers
  • Agricultural and Food Sciences
  • Phytochemicals and Antioxidant Activities
  • Advancements in Transdermal Drug Delivery
  • Phytochemistry Medicinal Plant Applications
  • Essential Oils and Antimicrobial Activity
  • Hair Growth and Disorders
  • Dermatologic Treatments and Research
  • Antioxidant Activity and Oxidative Stress
  • melanin and skin pigmentation
  • Textile materials and evaluations
  • Dermatology and Skin Diseases
  • Natural product bioactivities and synthesis
  • Sensory Analysis and Statistical Methods
  • Academic Research in Diverse Fields
  • Olfactory and Sensory Function Studies
  • Algal biology and biofuel production
  • Public Health in Brazil
  • Analytical Chemistry and Chromatography
  • Photodynamic Therapy Research Studies
  • Phytochemical compounds biological activities
  • Contact Dermatitis and Allergies
  • Healthcare Regulation

Universidade de São Paulo
2016-2025

Instituto Butantan
2020

Instituto de Ciências Farmacêuticas
2009-2019

Universidade Brasil
2011

Anecova (Switzerland)
2008-2009

Universidade Cidade de São Paulo
2008

Boston Children's Hospital
2007

Central University of Venezuela
1973

The hair thread is a natural fiber formed by keratin, protein containing high concentration of sulfur coming from the amino acid cystine. main physical proprieties depend mostly on its geometry; and mechanical properties involve characteristics to improve: elasticity, smoothness, volume, shine, softness due both significant adherence cuticle scales movement control (malleability), as well easiness combing, since they reduce fibers static electricity. evaluation these effects may be carried...

10.1590/s1984-82502009000100019 article EN cc-by Brazilian Journal of Pharmaceutical Sciences 2009-03-01

Hair color change by dye application is a common procedure among women. dyes are classified, according to resistance, into temporary, semipermanent, demipermanent and permanent. The first two based on molecules which already colored. Temporary act through deposition cuticles, but semipermanent may penetrate little the cortex so resists up six washes. Demipermanent permanent precursors, called oxidation dyes, final shade developed their interactions with an oxidizing agent, they differ from...

10.3390/cosmetics2020110 article EN cc-by Cosmetics 2015-04-22

The use of clays in beauty care comes from ancient times, with therapeutic since prehistory, and it is considerably relevant the current cosmetic industry worldwide. In our review, we described types clay minerals used cosmetics dermocosmetics, compositions, usages as active compounds ingredients/starting materials, observations about formulation techniques. From this observed that although much scientific specialized literature has reported characterization clays, only some involved...

10.3390/cosmetics11010007 article EN cc-by Cosmetics 2024-01-05

Rising global demand for natural products whose production is harmless to the environment has stimulated development of cosmetics and, within this category, organics (95% organic raw materials). The image environmentally friendly one strongest attractions products. Lip balm a cosmetic product similar lipstick purpose prevent lip dryness and protect against adverse environmental factors. product's characteristics are: resistance temperature variations, pleasant flavor, innocuousness,...

10.1590/s1984-82502013000200011 article EN cc-by Brazilian Journal of Pharmaceutical Sciences 2013-06-01

In Brief Study Design. To assess the rate of decline in pulmonary function Duchenne muscular dystrophy (DMD) before and after posterior spinal fusion for scoliosis. Objective. compare respiratory using percent normal forced vital capacity (%FVC) measurements fusion. Summary Background Data. Posterior scoliosis is used widely DMD, although long-term effects have not been well established. Methods. Fifty-six patients were assessed. Percent was outcome parameter with data analysis a mixed-model...

10.1097/01.brs.0000255062.94744.52 article EN Spine 2007-02-01

Peel off facial masks, based on polyvinyl alcohol (PVA), are formulations that, after application and drying, form an occlusive film over the face. After removing, they provide cleanness, tensor moisturizing effects, removing dead cells, residues other materials deposited stratum corneous. The soybean extract fermented by Bifidobacterium animalis has sugars, amino acids, peptides, proteins free isoflavonoids in high concentrations, when compared to unfermented extract, providing benefits...

10.1590/s1984-82502009000300018 article EN cc-by Brazilian Journal of Pharmaceutical Sciences 2009-09-01

Background/purpose Ultraviolet ( UV ) radiation is responsible for sunburns, skin cancer, photoaging, and the production of reactive oxygen species ROS ). The awareness on preventing these deleterious effects made use anti‐ UVB formulations an important part population habits; however, despite availability several antioxidants capable scavenging, pharmaceutical market lacks products associating filters with natural compounds proven efficacy. Here, we investigated effect rutin, a flavonoid...

10.1111/srt.12265 article EN Skin Research and Technology 2015-09-07

The excessive exposure to ultraviolet (UV) radiation is the main cause of skin cancer, most commonly diagnosed cancer in world. In this context, development innovative and more effective sunscreens, with bioactive compounds like caffeine, displaying antioxidant anticancer potential, required. This research work assessed vitro vivo efficacy safety topical sunscreen formulations containing caffeine as an adjuvant UV filters. Sunscreens were prepared 2.5% w/w or absence compound. order evaluate...

10.3389/fphys.2019.00519 article EN cc-by Frontiers in Physiology 2019-05-03
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