How Long Do Polynucleotides Take To Work?

Written by an Expert Aesthetic Content Writer Lisa.
Reviewed by Expert Medical Director Dr. Raj Thethi
Published on: November 24, 2025
Polynucleotides

Woman receiving polynucleotide facial injection to improve skin – how long do polynucleotides take to work

After a cosmetic procedure, the excitement to see the results is real, the same is the case here. How long do polynucleotides take to work? This question may be on your mind if you have taken or are considering taking polynucleotide injections. 

This injectable has become very popular in the aesthetic industry for its long-term skin and hair rejuvenation results. But when you will see the results is a burning question. Let’s discover the timeline for different treatment areas and what factors influence the results. 

Polynucleotides Injections For Skin or Hair Rejuvenation

Polynucleotides are all-natural molecules extracted from salmon DNA. Research suggests that they have been found to enhance skin healing, minimise inflammation, and accelerate tissue regeneration. Polynucleotides act by activating fibroblasts—the cells that produce collagen, leading to tighter, healthier, and younger-looking skin. These bio-molecules also increase water content in your skin, which makes it look fuller and brighter in the long run.

When Do They Begin to Work?

The result of polynucleotide therapies is not immediate since the body requires time to react to the stimulation of collagen formation. The timing of effects can be divided into three phases:

Immediate Effects

Within the first week, you may notice improved skin hydration. The skin becomes a little plumper as a result of enhanced moisture retention. Minor redness or swelling may happen but will normally resolve in 24-48 hours.

Short-Term Results

After the first week, collagen production increases, making the skin more elastic, it will make your fine lines and wrinkles fade. Moreover, the general texture of the skin becomes smoother and more even.

If you had the polynucleotide under your eyes, dark circles and puffiness may begin to reduce.

Final Results

So, how long do polynucleotides take to work? After 12 weeks or more, you may see the final results. 

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The maximum effect of the treatment is normally evident after 3 months. Skin looks firmer, brighter, and younger, and deep folds and sagging skin exhibit appreciable improvement.

How Long Do Polynucleotides Take to Work Under Eyes?

The skin under the eyes is sensitive, and effects can appear sooner, within 3 weeks, than in other regions. Most patients see improvements, including decreased puffiness and improved hydration, within 2-3 weeks. Dark circles can take longer to dissipate, generally improving at around 6-8 weeks as collagen levels rise. At the 12-week point, the complete effects—smoother and brighter under-eye skin—are typically visible.

If the polynucleotides versus polynucleotides thing confuses you, explore the guide to learn what’s best for you.

How Long Do Polynucleotides Take to Work on the Face?

For the face, the outcome is based on the condition of the individual’s skin. Those with minor issues, like dullness and fine lines, can experience visible improvements within 4 weeks. But for deeper wrinkles, sagging skin, or uneven texture, up to 3 months are required to obtain maximum results. More than one treatment, spaced about 3-4 weeks apart, is needed for maximum effect.

How Long Do Polynucleotides Take to Work for Hair Loss?

Polynucleotides also combat hair loss by stimulating the scalp and prompting the regeneration of hair follicles.

  • First 4 Weeks: Decreased hair shedding and better scalp moisturising.
  • 8-12 Weeks: Thicker hair with noticeable improvements in density.
  • 4-6 Months: Optimum hair regrowth produces thicker, healthier hair.

As with skin treatments, several sessions (usually 3-4) are required for optimal results.

How Many Polynucleotides Sessions Are Needed?

To achieve long-lasting effects, a series of treatments is typically required. Here’re the number of sessions experts suggest for specific concerns:

  • Face & Under Eyes: 2-3 sessions, spaced 3-4 weeks apart.
  • Hair Loss: 3-4 sessions, spaced 4-6 weeks apart.
  • Maintenance: A follow-up session every 6-9 months to sustain results.

Factors That Affect How Fast Polynucleotides Work

A number of factors influence how fast polynucleotide treatments work:

  • Age

Younger people might experience faster results because of increased collagen production.

  • Skin Condition

People with greater damage (wrinkles, scars) might take longer to experience improvements.

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  • Over a Decade of Surgical & Aesthetic Expertise
  • Personalised treatment plans tailored to your needs

  • Lifestyle

Good diet—Foods enriched with Vitamins A, C, E, minerals, hydration, and proper skincare can reinforce the effects.

  • Treatment Consistency

Adhering to the number of treatments your doctor suggests guarantees maximum efficacy.

Final Remarks

Polynucleotide treatment is a strong, natural method for enhancing skin texture, hydration, and even hair growth. Though improvements such as hydration can be seen in days, most individuals experience significant improvement at 4-12 weeks, and complete effects manifest by 3 months. It often takes several sessions for optimal results; follow-up treatment maintains benefits.

If you’re thinking about polynucleotide therapy, be patient, your hair and skin must have time to grow back and show the complete effects. Seeing a skincare professional can assist you in figuring out the best course of treatment for your situation.

FAQs

1. How many sessions of polynucleotides will you need?

For the best results, most people need 2 to 3 sessions, each spaced 2 to 4 weeks apart. Also a maintenance session may be required every 6 to 12 months.

2. What not to do after polynucleotides?

Avoid touching the treated area, applying makeup for 12 hours, and engaging in strenuous exercise, saunas, or alcohol consumption for 24 hours.

3. How long do lumps last after polynucleotides?

Small lumps at injection sites usually disappear within 24 to 48 hours as the product spreads and integrates into the skin.

4. Do polynucleotides really work?

Yes, polynucleotides improve skin quality and appearance by stimulating collagen production, enhancing skin elasticity and hydration, and reducing fine lines and wrinkles.

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About Dr. Raj Thethi - Medical Reviewer

Dr. Raj Thethi

Yorkshire Skin Centre in Leeds is a CQC-registered medical clinic. It is led by Dr Raj Thethi who completed his core surgical training in hospitals around West Yorkshire before branching into aesthetics. Dr Raj Thethi is a Northern Territory Regional Expert for an international dermal filler company called Teoxane. He also sits on their National UK Faculty.

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