Dry and Damaged Skin Blood Test

What is Dry and Damaged Skin?

Dry and damaged skin is a condition characterized by rough, flaky, or cracked skin that has lost its natural moisture barrier. It is caused by vitamin C deficiency, which impairs collagen synthesis and weakens the skin's structural integrity and ability to retain moisture. The Vitamin C blood test is the most important test for diagnosis because it identifies deficiencies that directly affect collagen production and skin health.

RECOMMENDED TEST Vitamin C
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Fast & easy, results by email & SMS
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No need to visit a doctor
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What causes dry and damaged skin?

Dry and damaged skin is caused by a breakdown in the skin's natural moisture barrier, which can result from vitamin C deficiency, dehydration, environmental factors, and aging. Vitamin C deficiency specifically impairs collagen synthesis, the protein responsible for maintaining skin structure and elasticity. When collagen production decreases, the skin loses its ability to retain moisture effectively, leading to dryness, flaking, roughness, and increased susceptibility to damage from external factors like cold weather, harsh soaps, and low humidity.

What is the best test for dry and damaged skin?

The Vitamin C blood test is the most important test for dry and damaged skin because it measures vitamin C levels that are essential for collagen synthesis and skin barrier function. Collagen provides the structural framework that keeps skin firm, elastic, and capable of retaining moisture. When vitamin C levels are low, collagen production declines significantly, leading to weakened skin integrity, increased dryness, and impaired healing of damaged tissue. This test identifies whether nutritional deficiency is contributing to your skin condition and helps guide targeted treatment to restore healthy collagen production and improve skin hydration.

When should I get tested for dry and damaged skin?

You should get tested if you experience persistent dry, flaky skin that doesn't improve with moisturizers, skin that cracks or bleeds easily, delayed wound healing, or bruising that occurs without significant injury. Testing is especially important if you have a limited diet lacking in fresh fruits and vegetables, chronic health conditions affecting nutrient absorption, or if you're a smoker, as smoking depletes vitamin C levels. Getting tested helps identify underlying nutritional deficiencies that contribute to poor skin health so you can address the root cause rather than just treating symptoms.

What are the symptoms of dry and damaged skin?
Dry and damaged skin presents with rough, scaly, or flaky patches, tightness or itching, redness or inflammation, and fine lines or cracks that may bleed. You might notice your skin feels rough to the touch, looks dull or gray, and peels easily, especially after washing. In severe cases, the skin can develop deep cracks called fissures, particularly on hands, feet, and around joints. The condition often worsens in cold, dry weather or after exposure to hot water, harsh soaps, or environmental irritants.
Who is at risk for dry and damaged skin?
People at higher risk include those over age 40 when skin naturally produces less oil, individuals living in cold or dry climates, smokers who deplete vitamin C stores, and people with poor nutrition lacking fresh fruits and vegetables. Frequent hand washing, long hot showers, use of harsh soaps or detergents, and certain medications like diuretics or retinoids also increase risk. People with underlying conditions such as diabetes, thyroid disorders, kidney disease, or malabsorption syndromes are more susceptible to developing vitamin deficiencies that affect skin health.
What happens if dry and damaged skin is left untreated?
Untreated dry and damaged skin can progress to chronic dermatitis with persistent inflammation, deep cracks that become infected with bacteria, and permanent changes in skin texture and appearance. The compromised skin barrier allows irritants and allergens to penetrate more easily, potentially triggering eczema or allergic reactions. Severe vitamin C deficiency can lead to scurvy, characterized by poor wound healing, bleeding gums, and easy bruising. Chronic skin damage also accelerates visible aging, causing premature wrinkles, loss of elasticity, and increased pigmentation problems that become harder to reverse over time.
Can dry and damaged skin be diagnosed with a blood test?
While dry and damaged skin is primarily diagnosed through visual examination by a healthcare provider, blood tests play a crucial role in identifying underlying causes such as vitamin C deficiency. The Vitamin C blood test measures serum levels of this essential nutrient, revealing whether deficiency is contributing to poor collagen production and impaired skin barrier function. Blood tests can also assess other factors affecting skin health, including thyroid function, kidney function, and overall nutritional status, helping your doctor develop a comprehensive treatment plan that addresses root causes rather than just surface symptoms.
How is dry and damaged skin treated?
Treatment focuses on restoring the skin barrier with regular use of thick moisturizers containing ceramides, hyaluronic acid, or petroleum jelly, and addressing underlying nutritional deficiencies through diet or supplementation. If vitamin C deficiency is identified, increasing intake through citrus fruits, berries, peppers, and leafy greens or taking vitamin C supplements can significantly improve collagen production and skin healing. Additional measures include using gentle, fragrance-free cleansers, taking shorter lukewarm showers, applying moisturizer immediately after bathing, using a humidifier in dry environments, and protecting skin from harsh weather with appropriate clothing and sunscreen.
How can I prevent dry and damaged skin?
Prevent dry and damaged skin by maintaining adequate hydration through drinking plenty of water and eating a nutrient-rich diet with vitamin C sources like oranges, strawberries, kiwi, bell peppers, and broccoli. Establish a gentle skincare routine with mild cleansers and regular moisturizing, especially after bathing when skin is still damp. Limit bathing time to 10 minutes or less using lukewarm water, avoid harsh soaps and scrubbing, wear protective gloves when using cleaning products, and use a humidifier during winter months. If you smoke, quitting will help preserve vitamin C levels and improve overall skin health.
What natural remedies help with dry and damaged skin?
Natural remedies that support skin health include applying coconut oil, shea butter, or aloe vera gel as intensive moisturizers, using oatmeal baths to soothe irritation, and consuming foods rich in vitamin C, vitamin E, and omega-3 fatty acids. Drinking herbal teas like green tea provides antioxidants that support collagen production, while honey applied topically has antibacterial and moisturizing properties. Increasing dietary intake of vitamin C through whole foods is particularly effective, as this nutrient is essential for collagen synthesis. However, if symptoms persist despite home care, blood testing can reveal whether supplementation is needed to correct underlying deficiencies affecting your skin.
How’s this work?
Getting your blood test with us is easy, private & backed by the power of science.

Long story short:
  1. In the test options, use the filters or search box to narrow your choices and find the test you want.
  2. If you need a hand navigating through options, text our super friendly support team at 754-799-7833, and we'll provide tailored suggestions to help you find the ideal test.
  3. Once your order is placed, we’ll create your doctor’s lab order remotely, without any need for you to make a trip to a doctor in person or to talk to the doctor. Expect to receive your doctor’s lab order right in your inbox. It will also be in your patient portal if you need to find it later. We’ll also include instructions regarding fasting and other requirements for your test. Your patient portal will be auto-created hassle-free during checkout.
  4. If this is your first time ordering, you'll be prompted to create a password for instant login access to your patient portal. It's a quick way to conveniently access your orders and results whenever you want.
  5. When you’re ready, visit one of our 4,000 locations. Just bring your ID – no printing or faxing of your lab order is needed, as your order and details will already be in the lab system.
  6. Note that most lab locations don’t accept walk-ins, so it’s best to book an appointment in advance. Don’t worry – we’ll provide detailed instructions along the way.
  7. You’ll get your results via email & SMS and dive into understanding your body better. Yup, that easy!
  8. If you have any questions, please text us at 754-799-7833 or email support@privatemdlabs.com and we'll gladly help you.
How do I know which test to get?
In the test options, find the test you want. If you’re not sure which test to get, we can lend a hand in finding the right option.

Just text or call us at 754-799-7833, email us at support@privatemdlabs.com, and we'll gladly help you. We've got your back and reply quickly.
Is it possible to make changes to my lab order if I made a mistake with the name, date of birth, or any other details?
Absolutely! We totally understand that errors can happen. No worries, we're here to help you.

Just reach out to us via text at 754-799-7833 or shoot us an email at support@privatemdlabs.com. Remember to include your order number and let us know the correct information you’d like to update. Our awesome team will jump right in and make sure everything is sorted out and accurate for you.

There are no changes necessary if your address is wrong on the requisition though. We don’t mail anything out.

Our lab requires an address to be listed to generate an order.
Do you accept health insurance?
Only HSA & FSA is accepted.

Our services are strictly self-pay and cannot be submitted to your health insurance provider except for Health Savings Accounts or Flexible Savings Accounts.

This policy applies to all insurance companies, including federal health insurance programs like Medicare.

If you have any questions, please text us at 754-799-7833 or email support@privatemdlabs.com.
Can I cancel my order?
Yes.

We get it – sometimes your needs change.

As long as your samples haven’t been collected yet, we’re happy to help you cancel your order.

If you have any further questions, please text us at 754-799-7833 or email support@privatemdlabs.com.

You can read more about our cancellation policy here.
How can I find a lab location near me?
During the ordering process, you’ll be able to select a specific lab near you, with no strings attached! You can switch it up later easily and visit any of our authorized locations as long as it’s the same lab company you selected your test for (Quest Diagnostics or Labcorp).

Before you proceed with your order, feel free to browse through all our lab locations here. This will give you the peace of mind of knowing that there's a lab nearby your home, office or your favorite gym.

If you have any questions, please text us at 754-799-7833 or email support@privatemdlabs.com and we'll gladly help you.
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* Regular blood test results (e.g., CBC) typically start arriving the next business day after sample collection. More complex tests, such as hormone panels, may take up to 10–15 business days due to their complexity.

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Vitamin C
What's included
Fast & easy, results by email & SMS
No need to visit a doctor
Private & confidential
No insurance needed
Results explained
No extra fees paid at the lab

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