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Visible characteristics and structural modifications relating to enlarged facial pores
Alex Nkengne1, Giovanni Pellacani2, Silvana Ciardo2
1Laboratoires Clarins, Pontoise, France.
Summary
Enlarged facial pores show distinct structural changes, including altered collagen and enlarged hair shafts, impacting skin tension and keratinocyte organization. These findings offer new insights into pore size variations.
Area of Science:
- Dermatology
- Skin Biology
- Facial Aesthetics
Background:
- Facial pore size and visibility are influenced by various factors.
- The relationship between pore enlargement and skin structural modifications requires further investigation.
Purpose of the Study:
- To characterize the visible features of facial pores.
- To analyze the micro-environment of enlarged facial pores and compare them to normal-sized pores.
Main Methods:
- Recruited 160 women, categorized by normal or enlarged facial pores.
- Utilized standardized photography, in vivo reflectance microscopy, and optical coherence tomography for analysis.
Main Results:
- Enlarged pores were denser, more contrasted, and larger in area.
- Structural analysis revealed regular keratinocyte organization, irregular dermo-epidermal junction, and altered collagen attenuation in enlarged pores.
- Bright tubular structures around hair follicles and enlarged hair shafts were key alterations in enlarged pores.
Conclusions:
- Stromal alterations may lead to changes in skin tension, causing infundibulum dilation and enlarged hair shafts.
- Modified skin tension could also explain the observed regular keratinocyte organization and irregular dermo-epidermal junction.
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