Wound healing is a complex and vital natural process influenced by a range of internal and external factors. The more you know about it, the more you can influence, control, and even expedite the process for faster and more effective recovery. This guide explores the different stages of wound healing.

What are the stages of wound healing?

Wound healing happens in stages – the initial response followed by additional phases of repair and recovery. As for how many stages of wound healing are there, there are primarily four. Becoming familiar with these stages will help you understand how your body responds to wounds and injuries, as well as how you can support it.

A doctor wearing blue gloves examines a patient’s hand and wrist during a medical check-up.

Hemostasis – blood clotting

The initial response to a wound is hemostasis, which occurs when blood vessels constrict to restrict the flow of blood to the area. Clotting also begins as platelets join together, forming a kind of barrier or dam to block the flow of blood, minimising the amount of blood lost from the wound and preparing the site for repair.

Inflammation – preventing infection

Once blood loss is stemmed, the body’s next focus is on preventing any infection. So, the second stage is inflammation – the immune system’s response to injury. During this stage, the body focuses on clearing out the damaged tissue and dispatches white blood cells to kill any germs in the area. This also results in symptoms such as redness, swelling, warmth, and pain, all of which are part of the natural response.

A nurse touches a patient’s shoulder while the patient smiles warmly during a consultation.

Proliferation – rebuilding

The third stage is about rebuilding and repairing. With the wound clean, new connective tissue, known as granulation tissue, forms to fill the gap. The wound’s edges also contract, drawing closer together, which can cause a sensation of tightness in the area. New cells then form to cover the exposed area, a process called re-epithelialisation. The process can take days or even weeks.

Maturation – strengthening

The final stage of wound healing is maturation, during which the new tissue and cells gradually strengthen. Scar tissue that forms during the proliferation phase also matures and fades, and the area slowly begins to resemble its pre-injury appearance. This phase is the longest, potentially lasting several months, and proper aftercare can significantly aid the recovery process.

Factors affecting wound healing

The various stages of the wound healing process can last for differing amounts of time, depending on various factors which can both hinder and hasten the process. This is why certain people seem to heal faster than others, or you might find that your wounds take longer to heal as you age. The sections below will list some of these key factors.

Factors that help with the process

  • Good Circulation: Strong blood flow helps deliver oxygen and nutrients to wounds and injury sites, promoting faster healing.
  • Healthy Nutrition: A good diet improves bodily processes, like immune responses and healing, and provides your skin with the nutrients it needs for strength and health.
  • Proper Hygiene: helps you avoid introducing dirt and germs into the wound, which can delay the healing process.
  • Not Smoking: This helps with blood flow and oxygen delivery to your wound, as non-smokers typically have superior circulation and respiratory health.
  • Thorough Wound Care: Caring for a wound enables the body to clean and repair itself. You can ease the burden on your immune system by cleaning and disinfecting wounds.

You can help wounds heal by staying hydrated, eating a balanced diet, dressing wounds properly, and avoiding smoking.

Factors that delay wound healing

  • Chronic Health Conditions: Conditions like diabetes can slow the healing process.
  • Infection: If germs enter a wound and multiply, they may delay the healing process and infect the wound.
  • Smoking: Smoking restricts oxygen and blood flow to the wound, impeding healing.
  • Malnutrition: A poor diet could impair multiple bodily processes and systems, like the immune system.
  • Stress: Stress can interfere with immunity and the necessary processes for cell growth and repair.

Maintaining controlled conditions, cleaning wounds, and remaining calm all contribute to the faster healing of wounds. Remember, also, to seek medical advice if wounds are not healing as they should.

side view body with healthy skin

Complementary Treatments for Better Wound Healing

Many wounds leave scars as part of the healing process. However, complementary treatments exist to support the body’s healing process and potentially accelerate the stages of scar healing.

Laser treatment for scars

Laser treatment works by shining beams of concentrated light onto scar tissue to either remove it or promote natural healing processes. Various lasers are available for this purpose, such as the Lumenis UltraPulse or M22, which work in different ways.

Specialists can assess your scars – their size, type, and location – to determine the most appropriate laser to use. Multiple treatments may be necessary, but the results are often very impressive, with scars becoming dramatically less visible after treatment.

Surgical needling and radiofrequency microneedling

Surgical needling and radiofrequency microneedling are techniques in which fine needles are used to create very light, superficial wounds on the skin’s surface. This triggers the stages of wound healing, with the body then producing key proteins, such as collagen, to restore and repair the damage.

The excess collagen helps to strengthen the skin, improving appearance and texture. This can also lead to scars appearing smoother, flatter, and less visible overall.

Scar massage and hydration

Physically massaging scars and applying hydrating creams and lotions may also aid with healing and recovery. The correct massage techniques can help loosen tight or firm scars, as well as flatten and smooth those that are raised or bumpy.

This works best early in the scar formation process, while the tissue is still developing. However, even on old scars, scar massage and hydration can be useful complementary treatments, best employed in conjunction with other methods, like microneedling or laser therapy.

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