Biomolecules · 2026
Pyrroloquinoline Quinone (PQQ) as a Mitochondrial Rejuvenation Strategy in Aesthetic Dermatology: Mechanisms, Therapeutic Potential, and Future Clinical Applications.
СтатьяОбзорНазвание и аннотация: Перевод в очереди
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Yi Kyu-Ho
Аннотация
BACKGROUND: Mitochondrial dysfunction is increasingly recognized as a central contributor to intrinsic skin aging, photoaging, cellular senescence, impaired extracellular-matrix homeostasis, dysregulated pigmentation, and delayed recovery after energy-based or minimally invasive procedures. Pyrroloquinoline quinone (PQQ) is a redox-active ortho-quinone that has attracted interest because it can participate in repeated redox cycling, protect mitochondrial function, and activate signaling associated with mitochondrial biogenesis.
OBJECTIVE: This narrative review evaluates the mechanistic basis, available dermatologic evidence, translational opportunities, and major uncertainties surrounding PQQ as a mitochondrial rejuvenation strategy in aesthetic dermatology.
METHODS: PubMed/MEDLINE and Europe PMC were searched from database inception through 10 August 2026 using PQQ-, mitochondrial-, skin-, delivery-, and safety-related terms; reference lists were also screened. Mechanistic, preclinical, skin-focused, human, and regulatory evidence was synthesized narratively.
RESULTS: Experimental studies support PQQ-mediated activation of mitochondrial biogenesis pathways and protection against oxidative injury in several cell and animal systems. Skin-specific evidence includes attenuation of oxidative stress, DNA damage, senescence markers, and matrix metalloproteinases in accelerated-aging mouse models; protection of UVA-exposed human dermal fibroblasts; suppression of UVB-induced caspase-1 release in keratinocytes; a small oral dry-skin study; and a multi-ingredient topical study containing an allyl PQQ derivative. These studies do not establish PQQ-specific clinical aesthetic efficacy.
CONCLUSION: PQQ is a biologically plausible mitochondrial-support compound, but it should currently be regarded as an investigational ingredient rather than an established aesthetic treatment. Carefully designed formulation, toxicology, dose-finding, biomarker, and randomized clinical studies are required before claims regarding wrinkle reduction, pigment improvement, enhanced collagen production, or accelerated post-procedure recovery can be justified.
OBJECTIVE: This narrative review evaluates the mechanistic basis, available dermatologic evidence, translational opportunities, and major uncertainties surrounding PQQ as a mitochondrial rejuvenation strategy in aesthetic dermatology.
METHODS: PubMed/MEDLINE and Europe PMC were searched from database inception through 10 August 2026 using PQQ-, mitochondrial-, skin-, delivery-, and safety-related terms; reference lists were also screened. Mechanistic, preclinical, skin-focused, human, and regulatory evidence was synthesized narratively.
RESULTS: Experimental studies support PQQ-mediated activation of mitochondrial biogenesis pathways and protection against oxidative injury in several cell and animal systems. Skin-specific evidence includes attenuation of oxidative stress, DNA damage, senescence markers, and matrix metalloproteinases in accelerated-aging mouse models; protection of UVA-exposed human dermal fibroblasts; suppression of UVB-induced caspase-1 release in keratinocytes; a small oral dry-skin study; and a multi-ingredient topical study containing an allyl PQQ derivative. These studies do not establish PQQ-specific clinical aesthetic efficacy.
CONCLUSION: PQQ is a biologically plausible mitochondrial-support compound, but it should currently be regarded as an investigational ingredient rather than an established aesthetic treatment. Carefully designed formulation, toxicology, dose-finding, biomarker, and randomized clinical studies are required before claims regarding wrinkle reduction, pigment improvement, enhanced collagen production, or accelerated post-procedure recovery can be justified.