Mohs surgery is a highly effective and precise procedure used to treat skin cancer by removing cancerous cells a single layer at a time. According to Dr. Arianna Yanes of U.S. Dermatology Partners Annapolis, “This meticulous approach minimizes the removal of healthy tissue, making it the preferred option for treating basal and squamous cell carcinomas and other forms of skin cancer. Following Mohs surgery, proper wound care is crucial to promote healing, prevent infection, and minimize scarring. Every aftercare plan will be unique, depending on the individual’s needs. Applying petrolatum ointments, such as Vaseline, Aquaphor, or generic petroleum jelly, is one of the most frequently recommended post-treatment steps to promote healing and protect against external damage.” In this blog, Dr. Yanes dives into how long to use ointments like Vaseline or Aquaphor after Mohs surgery to help patients understand the benefits of using petrolatum as part of their post-procedure skincare routine.
Understanding Post-Mohs Surgery Care
One of the most recommended post-Mohs wound care practices is to use petrolatum ointments to protect healing skin. Dr. Yanes says, “Keeping the skin moist with ointment allows for quicker healing. Letting wounds ‘air out’ and dry can slow healing due to scab formation.” As skin heals after Mohs surgery, it’s essential to keep skin hydrated, create a barrier between the damage skin and external irritants, and prevent infection.
Why Dermatologists Recommend Using Ointment After Mohs Surgery
When it comes to using petrolatum ointment like Vaseline after Mohs surgery, Dr. Yanes says, “Most dermatologists recommend petroleum jelly because it’s a simple, affordable skincare product that works to keep skin healing properly. Some of the many reasons dermatologists recommend using ointment post-Mohs surgery include:
- Moisture retention – petrolatum ointment plays a crucial role in post-Mohs wound care by creating a moist healing environment. Keeping the wound hydrated prevents scabbing and promotes faster skin cell regeneration, which speeds up healing and reduces risk of scarring.
- Protection against infection – as an occlusive agent, petrolatum ointment forms a protective barrier over the wound, shielding it from exposure to bacteria and other environmental contaminants. This barrier reduces the risk of infection, which is a primary concern during the healing process.
- Minimizing scarring – one of the most significant benefits of using ointment after Mohs surgery is its ability to prevent excessive scarring. When a wound dries out, it forms scabs that can lead to more noticeable scar tissue formation.
- Reducing discomfort – applying ointment also reduces discomfort by preventing bandages from sticking to the wound. This makes dressing changes less painful and minimizes trauma to the healing skin.
How Long Should You Use Ointment After Mohs Surgery?
Dr. Yanes says, “For patients who have their wounds sutured, I recommend applying ointment until sutures are removed and then for 2-3 days after. Sutures are typically removed 1-2 weeks after surgery depending on the body location. For patients who have their wounds healing naturally without stitches, I recommend use of ointment until the wound is fully healed in with new skin, the timing of which is highly variable based on the size of the wound.”
Factors That Influence Duration
Several factors determine how long you should continue using ointment, including:
- Type of skin closure – open wounds will require a longer duration of ointment use than sutured wounds.
- Size of the wound – larger wounds may require extended care.
- Surgical site location – wounds in high-movement areas (such as around the mouth or joints) may need prolonged moisture protection.
How to Apply Ointment After Mohs Surgery: Step-by-Step Guide
Follow the steps below to properly use petrolatum ointment like Vaseline during Mohs surgery recovery:
Step 1: Wash Your Hands & Clean the Wound
Before applying ointment, always wash your hands with soap and water to prevent introducing bacteria to the wound. Gently wash the surgical site with water and mild antibacterial soap, then pat it dry with a clean towel.
Step 2: Apply Ointment
Using a clean cotton swab or your fingers, apply a generous layer of ointment over the suture line or, if healing naturally, fill the wound with ointment.
Step 3: Cover with a Bandage
After applying ointment, place a non-stick bandage over the wound to protect it from dirt and bacteria. Adhesive bandages or gauze with tape are both suitable options.
Step 4: Repeat Daily
Reapply ointment after each wash. Following this routine maintains a moist healing environment and reduces the risk of complications during healing.
What to Avoid:
- Do NOT use antibiotic ointments unless prescribed. Some antibiotic ointments, such as Neosporin, may cause irritation or allergic reactions.
- Avoid hydrogen peroxide or alcohol. These substances dry out the wound and slow healing.
- Do NOT pick at scabs. Picking at scabs can increase the risk for infection and scarring.
- Avoid exposing the wound to direct sunlight. Sun exposure can lead to hyperpigmentation.
Signs of Proper Healing vs. When to Call a Dermatologist
Below, Dr. Yanes briefly outlines signs of proper wound healing versus issues that may indicate a need for dermatologist intervention.
Signs Your Wound is Healing Well
- Slight pink or red skin around the wound
- Mild itching
- Moist wound without scabbing
Signs You Should Call a Dermatologist
- Increased redness, warmth, or swelling as this may indicate an infection
- Persistent bleeding or an enlarging bruised lump under the skin
- Persistent or worsening pain
- Pus or significant drainage which may be a sign of an infection
- Fever or chills that are signs of a more serious systemic infection (rare after Mohs surgery)
Additional Post-Mohs Care Tips for Faster Healing
Keep the following post-Mohs wound care tips in mind to speed healing and reduce risk for complications:
- Protect skin from the sun – newly healed skin is sensitive to UV rays. Wear broad-spectrum sunscreen (SPF 30+), hats, and protective clothing to prevent sun damage and scarring. You should also limit sun exposure in general.
- Get enough rest – proper sleep is essential for the body to repair damaged skin. Ensure you get enough rest to aid in the recovery process.
- Avoid smoking and alcohol – smoking and excessive alcohol consumption slow the body’s natural healing process and increase the risk of complications. Avoid these habits during recovery.
Final Thoughts: Follow Your Dermatologist’s Advice for Best Results
Final thoughts from Dr. Yanes, “Using ointment after Mohs surgery is one of the best ways to promote healing and minimize scarring. Following proper wound care instructions from your dermatologist will ensure a smooth recovery.”
Schedule a Dermatology Visit
If you have any concerns about your recovery, schedule a follow-up visit with your dermatologist to ensure your wound is healing correctly. Have questions about Mohs surgery, or need post-Mohs care? Schedule an appointment with U.S. Dermatology Partners today, using our scheduling request form. One of our expert dermatology teams will be in touch to finalize the details of your visit.
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