microbotox

In short: Microbotox is the application of diluted Botox in the form of 100-200 micro-injections into the superficial dermal layer of the face. While it improves skin quality, pore tightness, oiliness and fine lines, it does not affect the facial muscles at all. The effect begins in 2-3 weeks, remains for 3-4 months, side effects are minimal.

Description

Microbotox (alternative names: MesoBotox, Dermal Botox, Skin Botox, Intradermal Botox) — It is the injection of the diluted solution of botulinum toxin type A into the very superficial area of the dermis (inner skin) layer of the facial surface, at 1-2 cm intervals and in doses of 0.01-0.03 mL at each point. It has a completely different technique and indication than classical facial botox (forehead, glabellar, crow's feet).

Terminology: The prefix "micro" has two meanings: (1) micro-dose (0.5-1 U per spot instead of the standard 2-4 U per spot), (2) high density of micro-dots (100-200 dots per session). Unlike the intramuscular injection of classical botox, microbotox intradermalis — the injection needle is processed at a 45° angle and placed in a very shallow plane, not reaching the muscle layer. This anatomical difference ensures that the effect is completely at the skin level and the facial muscles are not affected.

The name MesoBotox (Meso = skin, Botox = Botulinum toxin) has its origin in this intradermal "middle dermis" application. Similar to drip irrigation in a vineyard, Botox is spread in the form of a "fine mist" over the wide surface of the face. The result is different from classic botox — it is not muscle relaxation, but a decrease in the activity of the dermal glands (sebaceous and sudoriparous) and a general improvement in skin quality.

How Microbotox Works — Mechanism

Botulinum toxin type A prevents muscle contraction by blocking the release of acetylcholine in nerve endings (presynaptic terminals). At the high concentration of classical dos, this effect is dramatic in the facial muscles — the muscle relaxes completely. However, the target is different when microbotox is injected into the dermal layer at very low concentrations:

Target: Dermal Ecocrine Glands and Nerve Ends

The skin is rich in sebaceous glands and eccrine sweat glands. The activity of these glands is controlled by the release of acetylcholine from parasympathetic nerve endings. Very low dose Botox is responsible for blocking acetylcholine at these nerve endings:

• Effect on sebum production: The sebaceous glands become more active on acetylcholine stimulation. By suppressing this pathway, microbotox reduces the fat in the T-zone (forehead, nose, chin) and cheeks by 30-50%.
• Effect on sweat production: By blocking the cholinergic fibers that control the eccrine glands, facial sweating (hyperidrosis) is reduced by 40-60%.
• Vasodilation and flushing: When the activity of the nerve endings around the dermal vasculature decreases, sudden redness and flushing episodes almost completely disappear. It is especially effective in women experiencing rosacea and menopause.
• Skin quality: Acetylcholine also affects fibroblast activity at a low level; As a result of the decrease in sebum and dermal dehydration, the pores become tighter and the skin appears more matte and "polished".

The Reason There Is No Effect on Mimic Muscles

Microbotox injection remains 2-3 mm away from the muscle layer, at the level of the epidermis and papillary dermis. Mimic muscles (frontalis, corrugator, orbicularis oculi, etc.) are located in the deep anatomical plane (2-5 mm depth). This distance physically prevents the toxin from reaching the neuromuscular junction thanks to the fine needle and micro-dose; Most toxins remain localized in the dermal glands and do not spread systemically. Result: natural facial expressions and all facial movements are completely preserved.

How to Apply

Microbotox application is performed by an experienced aesthetic physician; It is more technical and time consuming than classical botox (20-30 minutes).

5 Step Protocol

1. Preparation and Anesthesia: Facial cleaning and antiseptic application is performed. Topical anesthetic cream (lidocaine 5%) is applied for 15 minutes — anesthesia is more important due to multiple injections. Patients are told that they will experience light flashes, such as a "cat bite sensation."
2. Dilution Rates: Instead of the standard Botox 100U vial (2.5 mL saline in normal applications), 4 mL sterile saline is added (sometimes there are physicians who use 5 mL). This dilution ratio gives the following measurements:
   • 100U Botox + 4 mL saline = 25 U/mL (instead of normal 40 U/mL)
   • Per microinjection: 0.01-0.03 mL × 25 U/mL = 0.25-0.75 U per spot
   • Total dose (100-200 points): 25-150 U per session (lower and wider spread instead of the classic 20-50 U)
3. Injection Pattern and Spots: Before the procedure begins, the physician marks a fine grid pattern over the entire face (usually pencil or white ceraiah markers):
   • T-zone (forehead, bridge of nose, sides of nose, chin): 1 cm intervals
   • Cheeks: 1.5-2 cm apart (slightly sparser than T-zone)
   • Psoriasis: optional, usually concentrated in the T-zone
   • Suborbital and ocular area: elective, very shallow and careful (targets under the sulcus)
   • Neck: can be included if there is skin quality problem
   Total number of points: 80-200 dots, depending on target area (face average 120-150 dots).
4. Injection Technique:
   • Needle: 32-33 G, very thin and short
   • Angle: 45° dermal angle (needle is directed forward at an angle close to the skin surface)
   • Depth: until “Blanche” (pallor) appears — the injected liquid forms a white flower shape at the needle point; This is indicative of dermal saturation
   • Speed: Not fast, controlled; held for 1-2 seconds at each point
   • From head to toe: The physician systematically processes the entire face line by line (left to right, top to bottom) to ensure consistency
5. Termination: After the application, a light cold gel or moisturizer is applied (to relieve irritation). The patient is advised not to touch or massage his face for 2-3 hours (there is little risk of spread with superficial injection, but still caution).

Indications

Primary Indications (Skin Quality Problems)

• Open pores and pores visibility: Pores generally enlarge in the T-zone and upper cheek area due to increased sebum. Microbotox reduces the visibility of pores by 40-60% by reducing sebum production and improving dermal dehydration. It is the most common indication.
• Oily skin and T-zone hypersebasia: In young and middle-aged men and women, the dull appearance disappears in the T-zone later in the day and a shining appearance appears. Microbotox provides a significant reduction in sebum production within 6 weeks.
• Excessive facial sweating (facial hyperhidrosis): Excessive sweating, makeup running on the face and décolleté area, sweating as a response to emotional stress. Microbotox suppresses eccrine gland activity; The effect varies between 50% and 80%.
• Flushing and sudden episodes of redness: Sudden facial redness and feeling of warmth caused by hot drinks, spicy food, alcohol, stress or hormone fluctuations in women experiencing menopause. Microbotox reduces these episodes by 60-80% by suppressing the dermal vasodilation pathway. It provides a special benefit for rosacea patients.
• Fine lines and superficial lines: Not for deep dynamic wrinkles; due to skin quality improvement and mild micro-collagen stimulation on fine, superficial lines (especially on the cheeks, psoriasis, around the nose). It can be hoped that fine lines will decrease by 30% as a result of sebum reduction and turgor improvement.
• Skin periodicity and "dull" appearance: Aged or damaged skin, lacking elasticity and dull appearance. Microbotox makes the skin more "luminous" and smoother through dermal rehydration and glandular balancing.

Secondary (Combination) Indications

• Full-face glow protocol: Profhilo (hyaluronic acid biostimulator) + microbotox combination. While Profhilo provides dermal hydration and turgor, microbotox regulates skin quality and gland function.
• Preventive skin improvement: Patients in the 25-40 age group, who do not have serious wrinkles yet but have skin quality and pore problems.
• Supportive treatment after laser or chemical peeling: Calming and gland balancing after dermal irritation and increased reactive sebum.

Contraindications

• Pregnancy and breastfeeding — FDA category C, insufficient data available
• Allergy to botulinum toxin — rare, but those allergic to egg albumin should be careful
• Neuromuscular diseases: Myasthenia gravis, Lambert-Eaton syndrome, ALS — may potentiate toxin effect
• active skin infection — herpes simplex, dermatitis, etc. in the application area.
• Use of aminoglycoside antibiotics — may increase the effect of toxins
• Coagulation disorders and anticoagulant use — risk of ecchymosis (not absolute, note)
• unrealistic expectations — microbotox is like a “toner” treatment, nothing dramatic
• Very sensitive skin — atopic dermatitis, rosacea flare — must be controlled before healing

Duration of Effect and Recovery

Microbotox timing and effect profile

Stage	Duration	Expected Situation
Application	20-30 min	Slight stinging sensation; minimal redness
first hours	0-4 hours	Very mild redness, disappears within five minutes
first week	1 week	Most injection points disappear; slight revitalized feeling of the skin
First effect (sebum/sweat)	1-2 weeks	Oiliness and sweating begin to decrease
Full effect (fine lines + glow)	3-4 weeks	Pore tightness, matte appearance, fine line softening optimum
Impact plateau	4-12 weeks	Stable result lasts 8-12 weeks
Decreased effect	12-16 weeks	Sebum and gland activity gradually returns
Total duration of effect	3-4 months (some patients take up to 4 months)	It is shorter than classic botox; More frequent renewal is recommended

Downtime: There is no. After the application, the patient can apply make-up, do sports and continue normal activities on the same day. Very mild redness disappears within a few hours; It is not closable.

Refresh frequency: While classic Botox is renewed in 4-6 months, microbotox is recommended to be renewed in 3-4 months (some physicians recommend 10-12 weeks). Since the effect is shorter, 4 annual sessions should be prepared in advance. Also, if there is an interval of 3-4 weeks between two sessions, the cumulative effect may be better.

Microbotox vs. Classic Botox — Key Differences

Comparison of Microbotox and Classic (Intramuscular) Botox

feature	Microbotox (Intradermal)	Classic Botox (Intramuscular)
Implementation plan	Dermis (2-3 mm depth), 100-200 points	Muscle layer (2-5 mm), 5-15 strategy points
needle angle	45° dermal angle (very superficial)	90° right angle (entering the muscle layer)
Dilution ratio	100U + 4 mL saline (25 U/mL)	100U + 2.5 mL saline (40 U/mL)
Per point dose	0.25-0.75 U	2-4 U
target muscle	Nothing; target skin glands	Mimic muscles (frontalis, corrugator, orbicularis oculi, etc.)
mechanism of action	Sebum ↓, sweat ↓, gland nerve block	Muscle contraction ↓, dynamic wrinkle ↓
Is the facial expression preserved?	YES, 100% natural	No, contraction is restricted
Indication	Pores, oiliness, fine lines, flushing, sweating	Dynamic lines (forehead, glabellar, crow's feet)
Onset of effect	1-2 weeks (gland activity slow)	3-7 days (muscle response fast)
Effect duration	3-4 months (shorter)	4-6 months
combination	Profhilo, PRP, device treatments	Filler, biostimulator, laser
Side effects	Minimal (only slight redness)	Ptosis, eyebrow asymmetry, facial asymmetry (rare)
Suitable age group	25-50 (focused on skin quality)	35-70 (wrinkle focused)

Risks and Side Effects

The microbotox side effect profile is very low — serious complications are practically absent due to the intradermal level, distance from the muscle layer and micro-dose.

Common (mild, transient)

• Mild redness and erythema: Redness at injection points for 1-4 hours; In most patients, it is so light that it cannot be seen with the naked eye.
• Microhematoma: Rare due to very thin needle; Even if it appears, it disappears within 3-5 days.
• Mild itching or tingling: Dermal irritation; It passes within 24 hours.
• Temporary whiteness (blanching): Very slightly milky appearance at the injection point; It disappears within minutes.

rare

• Extreme redness or irritation: In patients with sensitive skin or atopic dermatitis; It is controlled with topical steroid cream.
• Minimal diffusion (muscle effect): Very rare, but if the intradermal injection quality is poor (if entered deeper), there may be a very slight effect on the periocular and frontalis muscle in close proximity; It is temporary.
• Allergy: Allergy to botulinum toxin type A (egg albumin) is very rare; Apparently it will also react to other Botox products.

Very Rare/Practically Invisible

• Systemic effect — risk of spread due to dermal injection is minimal
• Anaphylaxis — known examples are very limited
• Infection – very rare in sterile technique and modern clinical environment

Security advantage: The biggest advantage of microbotox is that even if any undesirable effects occur, they resolve on their own within 3-4 months. There are no permanent side effects. This is its main difference from irreversible procedures such as filler or laser.

Combination Protocols — The “Full Face Glow” Approach

Although microbotox is effective alone, in modern aesthetic practice it is combined with other treatments for better results:

Microbotox + Profhilo (Skinbooster)

Protocol: It is applied in the same session or at intervals of 1-2 weeks.

• Profhilo: Hyaluronic acid biostimulator (high molecular weight) provides dermal hydration and turgor.
• Microbotox: Regulates skin quality, pore and gland function.
• Result: "Dewy", "luminous", soft and radiant skin; A completely different, more rejuvenating and natural look than classic botox.
• Duration: Profhilo is effective for 6 months, microbotox is effective for 3-4 months; The combination is renewed in 4-5 months.

Microbotox + PRP (Autologous Platelet-Rich Plasma)

Protocol: After the same session (20-30 minutes after Botox injection), PRP is applied with superficial microneedling or RF.

• PRP repairs skin damage and stimulates collagen; microbotox glands are balanced.
• The effect is more radical (collagen renewal) than pure microbotox + Profhilo.
• Maximal results for 6 months with monthly repeat sessions.

Microbotox + Fractional Laser

Protocol: Microbotox is applied 1-2 weeks after the laser session (skin irritation is controlled).

• Laser: Surface texture, pore, fine lines treatment.
• Microbotox: Controls the increase in reactive sebum after laser and stabilizes sebum and gland activity.
• Combination repeat: every 2-3 months.

Related Terms

• Botox (Classic Intramuscular Botox)
• Baby Botox — lower dose of classic Botox
• Skinbooster / Profhilo (Hyaluronic Acid Biostimulator)
• Profhilo (branded skinbooster)
• Skin Rejuvenation
• Hyaluronic Acid Filler
• Masseter Botox (Muscle-specific classic Botox)
• Forehead Botox (Muscle-specific classic Botox)

Frequently Asked Questions

Dr. Hamza Gemici Comment

"Microbotox has brought surprising progress in aesthetic dermatology in the last 8-10 years. Although classical Botox solves dynamic lines, young and old patients and patients with skin quality problems (open pores, T-zone oiliness, fine lines) often do not have a 'dull' appearance problem, but the whole skin quality problem. It is wrong to recommend classical Botox to these patients; we offer them the microbotox + Profhilo combination. It does not matter whether they are in the 25-45 age group and whether they are men or women, everyone with T-zone problems. "It is clinically very useful. I have been applying microbotox for 6-7 years, and the return of my patients is tremendous — the majority are women who do it once and do not use Botox at all for 4 years, after switching to the microbotox + Profhilo cycle."

— Dr. Hamza Gemici

Resources and References

This content is based on voluminous scientific literature and clinical evidence. The following sources are his main references:

Last Update

Last update: 21 April 2026 · Medical editor: Dr. Hamza Gemici