Last reviewed: May 12, 2026 Last updated: May 12, 2026

Written by: Jay Hastings , CEO of PlexusDx

Jay Hastings is the CEO of PlexusDx, a precision health company focused on genetic testing, blood biomarker insights, and personalized wellness recommendations. He has more than 20 years of experience across healthcare innovation, genomics, laboratory operations, healthcare investing, and strategic finance. His work has included scaling healthcare startups, leading CLIA lab integrations, and helping expand consumer access to precision health tools.

Medically reviewed by: Jayden Lee, PharmD, EMBA

Jayden Lee, PharmD, EMBA, is the PlexusDx Medical Science Liaison with a PharmD and MBA specializing in pharmacogenomics and clinical product development, with a proven ability to bridge the gap between genomic research and practical patient outcomes. Dr. Lee has more than 10 years of professional experience in clinical pharmacy, academia, and research.

How STXBP5L and rs322458 Relate to Wrinkle Risk and Skin Aging

Wrinkles are natural lines and creases that form as skin ages. They happen mainly because collagen and elastin, the structural proteins that keep skin firm and elastic, decline over time. Environmental factors such as sun exposure, smoking, pollution, poor sleep, and dehydration can speed up this process. The STXBP5L gene helps regulate how skin cells respond to ultraviolet light and how they manage collagen. A common genetic variation called rs322458 in the STXBP5L gene can influence how well your skin handles photoaging and preserves collagen.

What this means for you

Your rs322458 genotype can suggest a tendency toward better or lesser natural protection from photoaging. It is only one piece of many that influence skin health. Lifestyle, skincare habits, nutrition, and other genes all play important roles. PlexusDx provides this information to educate about genetic predispositions only. This is not medical advice. Always consult your healthcare provider for personalized recommendations.

Genetic Interpretations

Two effect alleles (TT)

If you have the TT genotype for rs322458, you carry two copies of the effect allele. This profile is associated with a potential advantage in handling photoaging. The STXBP5L gene produces the protein Tomosyn, which helps skin cells respond to UV damage and supports collagen maintenance. With TT, your skin may preserve collagen more effectively and show slower development of visible wrinkles over time.

Even with TT, external factors still matter. Continue protective habits to keep the advantage working for you.

One effect allele (CT)

If you have the CT genotype for rs322458, you carry one copy of the effect allele. This suggests a moderate advantage in how your skin manages photoaging. Tomosyn function may be partially supportive of collagen preservation, potentially slowing visible signs of aging compared with individuals without the T allele.

Keep in mind that lifestyle and environmental exposures will strongly influence long term outcomes. Use sun protection and supportive nutrition to complement this genetic tendency.

No effect alleles (CC)

If you have the CC genotype for rs322458, you do not carry the T variant that is associated with enhanced protection against photoaging at this location. This does not mean your skin will age poorly. Many people with CC maintain healthy, resilient skin by prioritizing protective behaviors. Because this single variant does not determine your destiny, strong lifestyle and skincare choices are especially important.

Practical Steps to Support Skin Health

Regardless of genotype, the following strategies help protect collagen, minimize photoaging, and keep skin looking its best.

Sun protection

  • Use a broad spectrum sunscreen with SPF 30 or higher every day on exposed skin, even when cloudy. Reapply every two hours when outdoors.
  • Wear sun protective clothing, a wide brim hat, and UV-blocking sunglasses during peak sun hours.
  • Seek shade and avoid intentional tanning. Use window UV film or protective clothing when driving or sitting near windows for long periods.

Nutrition and hydration

  • Eat a colorful array of fruits and vegetables that provide antioxidants, vitamins, and polyphenols. Aim for berries, leafy greens, bell peppers, tomatoes, and citrus.
  • Include sources of healthy fats such as oily fish, walnuts, chia or flax seeds, and olive oil to support skin barrier function.
  • Ensure adequate protein intake to supply amino acids needed for collagen synthesis. Include lean meats, poultry, fish, eggs, dairy, legumes, or plant-based protein sources.
  • Stay well hydrated. Aim for consistent daily fluid intake and limit dehydrating beverages.

Supplements to consider

PlexusDx provides educational information about supplements commonly used to support skin health. Speak with your healthcare provider before starting any new supplement.

  • Vitamin C: important for collagen formation and antioxidant protection. A daily intake through diet or supplements can support skin health.
  • Vitamin E: an antioxidant that works with vitamin C to protect cell membranes from oxidative damage.
  • Omega-3 fatty acids: support skin barrier integrity and reduce inflammation. Consider fish oil or algae-based supplements if dietary intake is low.
  • Collagen peptides: may provide amino acids that support skin structure and improve hydration and elasticity in some people.
  • Polyphenol supplements such as green tea extract or resveratrol can add antioxidant support. Discuss dosing and safety with your provider.

Skincare and topical strategies

  • Use a gentle daily cleanser and a moisturizer suited to your skin type to maintain barrier function.
  • Topical retinoids or retinol help increase collagen production and accelerate skin cell turnover. Use under guidance if you have sensitive skin or are pregnant.
  • Antioxidant serums containing vitamin C and E can protect against oxidative damage and support collagen.
  • Consider professional treatments such as microneedling, lasers, or chemical peels under a licensed dermatologist for targeted wrinkle reduction. Consult a professional to determine suitability.

Lifestyle habits that protect your skin

  • Stop smoking. Tobacco accelerates collagen breakdown and increases wrinkle formation.
  • Get regular sleep to support repair processes and hormone balance that impact skin health.
  • Manage stress through mindfulness, exercise, or relaxation techniques. Chronic stress can impair skin healing and increase inflammation.
  • Stay physically active. Exercise supports circulation and systemic health that benefit skin.
  • Limit excessive alcohol which can dehydrate skin and impair recovery.

When to talk with a professional

Consider discussing your genetic results and skin concerns with a dermatologist, primary care provider, or a registered dietitian if you want personalized guidance. They can help you interpret how this genetic information fits with your overall health, review any supplement interactions, and create a tailored plan that suits your skin type and medical history. PlexusDx provides education about genetic predispositions only. This information does not replace professional medical advice. Consult your healthcare provider before making health care decisions or starting new treatments.


If this genetic variant is present in your PlexusDx results, the following tests and reports are commonly used to explore it further:

🧬 Genetic Tests:

🧪 Blood Tests:

📄 Genetic Report:


Frequently Asked Questions About Wrinkles and STXBP5L rs322458

How does the STXBP5L rs322458 variant affect my risk of wrinkles and photoaging?

The STXBP5L gene helps regulate how skin cells respond to ultraviolet (UV) light and how they manage collagen. The rs322458 variation can influence how effectively your skin handles photoaging and preserves collagen, which may affect how quickly visible wrinkles develop—while still being only one factor among many.

What does each rs322458 genotype (TT, CT, CC) suggest about collagen protection?

TT (two effect alleles) is associated with a potential advantage in handling photoaging, with support from Tomosyn helping skin cells respond to UV damage and maintain collagen. CT (one effect allele) suggests a moderate advantage in managing photoaging and may support collagen preservation. CC (no effect alleles) means you don’t carry the T variant associated with enhanced protection at this location, but you can still maintain resilient skin with strong sun, skincare, nutrition, and lifestyle habits.

What skin health steps work best regardless of my rs322458 results?

Regardless of genotype, protect collagen and reduce photoaging by using daily broad-spectrum SPF 30+ sunscreen (and reapplying outdoors), avoiding smoking, limiting excess alcohol, getting regular sleep, and managing stress. Support skin from within with a colorful antioxidant-rich diet, healthy fats, adequate protein, and good hydration. Consider skin-supportive options like vitamin C/E, omega-3s, collagen peptides, and antioxidant polyphenols only after discussing safety and interactions with your healthcare provider.

What tests can help me learn more about Wrinkles and STXBP5L rs322458?

The Longevity and Healthy Aging Genetic Test delivers over 200 genetic insights related to cellular repair, inflammation balance, metabolism, cardiometabolic health, and aging pathways. The Healthy Aging Genetic Report translates your results into personalized, actionable guidance. Your healthcare provider can also recommend targeted blood tests based on your specific pathway results and health history to complement your genetic insights with current biomarker data.


Medical and Editorial Standards

Medical review process: This article was reviewed for medical accuracy, scientific clarity, evidence alignment, and appropriate discussion of genetics, medications, supplements, biomarkers, and health-related claims.

Sources and evidence: PlexusDx educational content is developed using peer-reviewed research, clinical literature, reputable medical references, and, where applicable, public health or regulatory guidance. References are included at the end of the article when scientific, medical, or health-related claims are discussed.

Commercial transparency: PlexusDx offers genetic testing, blood biomarker testing, personalized supplement recommendations, and related precision wellness services. Product mentions are intended to help readers understand available options and should not be interpreted as medical advice.

Important disclaimer: PlexusDx educational content is for informational purposes only and should not be used as a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider before making decisions about medications, supplements, genetic testing, lab testing, or health-related care.