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SkinCited

Skin Barrier Function
Skin Barrier Function

Prévalence: Impaired in multiple conditions: eczema, psoriasis, rosacea, aged skin, sensitive skin

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Evidence-Ranked Ingredients

Ingrédient Note Études Direction
Ceramides C 5 Positive Voir →
Hyaluronic Acid D 3 Positive Voir →
Bifidobacterium lactis D 2 Positive Voir →

About

The stratum corneum functions as the primary permeability barrier, following a 'bricks and mortar' model — corneocytes (bricks) held together by lipid bilayers (mortar) composed of ceramides (~50%), cholesterol (~25%), and free fatty acids (~15%). Compromised barrier function underlies many dermatologic conditions.

Common Symptoms

Increased transepidermal water loss (TEWL) Sensitivity to irritants Stinging or burning with products Redness Dry and flaky skin Increased susceptibility to infections

Risk Factors

  • Filaggrin gene mutations
  • Aging
  • Over-washing with harsh cleansers
  • Low humidity
  • Nutritional deficiencies (essential fatty acids, ceramides)
  • Topical retinoid use
  • Atopic predisposition

Frequently Asked Questions

What supplements are studied for Skin Barrier Function?
Research has examined 3 supplement ingredients for Skin Barrier Function, including Ceramides. Evidence strength varies; review individual grades for details.
How is the evidence for Skin Barrier Function supplements graded?
We grade supplements on an A-F scale based on clinical study quality, consistency of results, sample sizes, and study design. Grade A indicates strong evidence from multiple clinical trials, while Grade D indicates preliminary evidence requiring further research.
How many studies on Skin Barrier Function supplements have been reviewed?
Our evidence grades for Skin Barrier Function are based on a total of 10 peer-reviewed studies across 3 ingredients. Studies are sourced from PubMed and include randomized controlled trials, meta-analyses, and other clinical research.
What are common symptoms of Skin Barrier Function?
Common symptoms associated with Skin Barrier Function include Increased transepidermal water loss (TEWL), Sensitivity to irritants, Stinging or burning with products, Redness, Dry and flaky skin. If you are experiencing these symptoms, consult a healthcare professional for proper diagnosis and treatment options.

Related Conditions

Pathologies partageant des ingrédients étudiés

Avertissement FDA: Ces déclarations n'ont pas été évaluées par la Food and Drug Administration. Les produits et informations sur ce site ne sont pas destinés à diagnostiquer, traiter, guérir ou prévenir quelque maladie que ce soit. Les notes de preuve présentées sont basées sur notre analyse de la recherche publiée et évaluée par des pairs et ne constituent pas un avis médical. Consultez toujours votre professionnel de santé avant de commencer tout régime de compléments alimentaires.