Isoi Tightening
The ISOI tightening collection brings together 18+ products focused on pore management and skin tightening. The range spans two product families: a standard Pore Tightening line and a Bulgarian Rose Pore Tightening series, both offering tonic essences (130ml and 260ml), clay pack treatments (100ml), and targeted serums. The Bulgarian Rose Pore Tightening Control Serum 50ml and Fresh Gel Cream 50ml add rose extract's calming properties to the pore-control formula.
By Skinsli editorial Updated
Buying guide
Buying Guide: ISOI Pore Tightening Collection
The ISOI tightening collection addresses enlarged pores, excess oil, and skin laxity through a focused range of tonic essences, clay packs, serums, and gel creams. The collection runs in two parallel tracks: a standard Pore Tightening line and a Bulgarian Rose Pore Tightening series that adds rose extract's calming benefits alongside the pore-control actives. With 18+ products including multiple size options for core products, this guide maps the range and explains which products suit different needs and budgets.
What Pore Tightening Products Do
Pore size is partly structural (larger pores are more common in oily and combination skin) and partly functional (stretched pores from congestion or reduced skin elasticity appear larger). Tightening products address both angles: astringent and pore-refining actives reduce the appearance of enlarged pores temporarily by tightening the pore opening, while regular use helps manage oil production and prevent the congestion that stretches pores over time.
Permanent pore-size reduction is not achievable through topical skincare alone, but consistent use of tightening products over weeks and months maintains the skin in a state where pores appear minimised and oil-slick is reduced. The ISOI tightening range is designed for this sustained approach rather than a single-use quick fix.
Pore Tightening Tonic Essence: Standard and Bulgarian Rose
The Pore Tightening Tonic Essence is the core product of the range, available in the standard formula (130ml and the value 260ml) and the Bulgarian Rose formula (130ml and 260ml). The standard Tonic Essence delivers pore-tightening actives at the first liquid step after cleansing. The Bulgarianrose / Bulgarian Rose version adds rose extract's calming and antioxidant properties to the same base formula, making it the better pick for combination skin prone to sensitivity alongside congestion.
Two older listings appear (the Pore Tightening Tonic Essence (Old) 130ml and the Pore Tonic 130ml variant) - these are likely superseded formula versions. For current purchases, the standard 130ml or the Bulgarian Rose 130ml are the recommended options.
Choosing Between 130ml and 260ml Tonic Essence Sizes
The Pore Tightening Tonic Essence and the Bulgarianrose Pore Tightening Tonic Essence both come in 130ml and 260ml. The 130ml is the standard daily-use size covering approximately four to six weeks of morning and evening use. The 260ml is a value-volume option for committed daily users who have confirmed the formula is part of their permanent routine. Both the standard and Bulgarian Rose lines offer the 260ml, so once you have identified which formula suits your skin, the 260ml becomes the economical ongoing choice.
Pore Tightening Clay Pack 100ml
The Pore Tightening Clay Pack 100ml is the weekly intensive treatment in the range. Clay packs draw excess sebum, surface debris, and dead cells out of pores during a 10-15 minute application, providing a visible deep-cleansing and tightening effect after rinsing. The ISOI range offers both a standard clay pack and the Bulgarian Rose Pore Tightening Clay Pack 100ml, the latter adding rose extract to the clay base for post-application calming.
Apply the clay pack to clean, dry skin after cleansing, avoiding the eye and lip areas. Leave for 10-15 minutes (do not let it dry completely to the point of cracking), then rinse thoroughly with warm water. Use once or twice per week rather than daily - clay is drying and will disrupt the skin barrier if used more frequently than this.
Bulgarian Rose Pore Tightening Control Serum 50ml
The Bulgarian Rose Pore Tightening Control Serum 50ml is the most concentrated daily pore-control treatment in the collection, applying at the serum step after the tonic essence. It targets both pore appearance and oil production throughout the day, making it particularly useful in the morning as a pre-cream layer before SPF. The Bulgarian Rose addition provides antioxidant calming alongside the pore-control actives.
Two drops after tonic essence, pressed gently into the skin before the gel cream or standard moisturiser. At 50ml it provides approximately two months of daily morning use, making it a practical commitment-level size for a first purchase of the serum.
Bulgarian Rose Pore Tightening Fresh Gel Cream 50ml
The Bulgarian Rose Pore Tightening Fresh Gel Cream 50ml is the moisturising step specifically designed for oily and combination skin managing pore concerns. The gel format absorbs without leaving a heavy film, providing hydration that prevents sebum overproduction while the rose extract and tightening actives continue to work at the skin surface. At 50ml it is a standard daily size for one to two months of use.
The Fresh Gel Cream pairs directly with the Control Serum as a two-step treatment-and-moisture finish to the pore tightening routine. In the morning, follow with an SPF product as the final step before going out.
Pore Tightening Program 30ml
The Pore Tightening Program 30ml is a concentrated booster or short-course intensive treatment. At 30ml it is sized for a targeted period of intensive use rather than as a permanent daily fixture - approximately two to four weeks of daily use. Like the Intensive Perfect Program from the broader ISOI range, it is positioned as a way to accelerate pore management results during a dedicated intensive phase.
Use it after the Tonic Essence at the serum position during the intensive period. Once the course is complete, the Control Serum is the appropriate daily treatment to maintain the results the Program initiated.
Building a Pore Tightening Routine from This Collection
A complete ISOI tightening routine: cleanse - Bulgarian Rose Pore Tightening Tonic Essence 130ml (tone) - Bulgarian Rose Pore Tightening Control Serum 50ml (daily treatment) - Bulgarian Rose Pore Tightening Fresh Gel Cream 50ml (moisturise) - SPF (morning). Add the Pore Tightening Clay Pack 100ml once or twice weekly in place of the serum step on that session. During an intensive period, substitute the Pore Tightening Program 30ml for the Control Serum for two to four weeks.
The standard (non-Bulgarian Rose) Tonic Essence works equally well in this routine if you prefer the base formula without rose extract. The clay pack step is the most visible weekly treatment; the tonic essence and serum provide the sustained daily maintenance that makes the clay pack results last beyond the single session.
FAQ
Frequently asked questions
FAQ
Frequently asked questions
Can the ISOI Pore Tightening products permanently reduce pore size?
No topical skincare can permanently change structural pore size. The ISOI Pore Tightening products minimise the appearance of pores by removing congestion that stretches pores, tightening the pore opening temporarily with astringent actives, and managing oil production to prevent pore-clogging sebum buildup. The result is visibly smaller-looking pores during and after consistent use. If you stop using the products, pores will gradually return to their baseline appearance.
Should I use the standard Pore Tightening Tonic Essence or the Bulgarian Rose version?
The Bulgarian Rose Pore Tightening Tonic Essence adds rose extract's calming and antioxidant properties to the same pore-tightening base formula. It is the better choice for combination skin that also experiences redness or sensitivity alongside pore concerns. The standard Pore Tightening Tonic Essence is appropriate for oily skin without significant sensitivity, where the additional rose actives are not needed. Both are available in 130ml and 260ml, so the size decision is the same regardless of which formula you choose.
How often should I use the ISOI Pore Tightening Clay Pack 100ml?
Once or twice per week is the recommended frequency for a clay pack. Using it daily would over-dry the skin and disrupt the moisture barrier, which worsens oil production and can increase congestion. After each clay pack session, follow with the Tonic Essence and the Fresh Gel Cream to restore moisture and maintain the tightening actives on the skin surface. The 100ml Bulgarian Rose version is available if you want the calming rose extract in your clay step.
Is the Bulgarianrose Pore Tightening Tonic Essence 260ml worth buying over the 130ml?
The 260ml offers better value per ml than the 130ml and reduces reorder frequency. It is worth buying if the tonic essence is already confirmed as a permanent part of your routine - at 260ml with morning and evening use, it covers approximately 10-12 weeks. For a first purchase, the 130ml is the practical starting point. For ongoing use after confirmation of compatibility, the 260ml is the more economical option across both the standard and Bulgarian Rose formulas.
Should I use the Bulgarian Rose Pore Tightening Control Serum in the morning or evening?
The Control Serum is most effective in the morning because its oil-control properties are needed throughout the day. Apply it after the Tonic Essence and before the Fresh Gel Cream, then follow with SPF. In the evening, a treatment serum from the Intensive Lifting or Blemish Care line may be more appropriate for the night repair step. If your skin is heavily oily, using the Control Serum morning and evening is also reasonable without risk of overuse.
Is the Bulgarian Rose Pore Tightening Fresh Gel Cream 50ml hydrating enough for dry skin?
The Fresh Gel Cream is calibrated for oily and combination skin as a lightweight moisture step. Dry skin types will generally find it insufficient as a standalone daily moisturiser. If you have dry skin alongside visible pore concerns - less common but possible - use the Fresh Gel Cream in the morning as a light base and a richer cream from the Moisture Doctor or Bulgarian Rose line in the evening for adequate overnight hydration.
How long does the ISOI Pore Tightening Program 30ml last?
At 30ml with daily single-session use of two to three drops, the Pore Tightening Program lasts approximately two to four weeks. It is sized as a short-course intensive treatment rather than an ongoing supply. Use it to accelerate pore management results during a dedicated period, then transition to the Control Serum for daily maintenance once the intensive course is complete. The Program is not meant to be a permanent daily product.
Is the full ISOI Pore Tightening collection suitable for oily skin?
Yes - the tightening collection is specifically designed for oily and combination skin. Every product in the range addresses the oil-management and pore-control concerns most relevant to oily skin. The Fresh Gel Cream provides adequate moisture for oily skin without adding unnecessary heaviness. The Clay Pack draws out excess sebum. The standard Tonic Essence (non-Bulgarian Rose) is the most streamlined pick for purely oily skin without sensitivity. The Control Serum manages daytime oil and pore appearance throughout the morning and afternoon.
What is the Pore Tightening Tonic Essence (Old) 130ml listed in the collection?
The Pore Tightening Tonic Essence (Old) 130ml is a previous version of the standard formula. For new purchases, the current standard Pore Tightening Tonic Essence 130ml or the Bulgarian Rose version are the recommended choices. The (Old) listing may represent remaining stock of the earlier formula. If you were previously using the old formula and want to check whether the new one is compatible with your routine, the ingredient list on the current product page confirms any changes.
What is a basic routine using the ISOI Pore Tightening products for combination skin?
For combination skin: cleanse - Bulgarian Rose Pore Tightening Tonic Essence 130ml - Bulgarian Rose Pore Tightening Control Serum 50ml - Bulgarian Rose Pore Tightening Fresh Gel Cream 50ml - SPF (morning). In the evening, use the Tonic Essence and a richer moisturiser on dry areas of the face. Add the Pore Tightening Clay Pack on the T-zone once per week for congestion management. This three-product daily stack plus a weekly clay treatment covers the main pore and oil concerns for combination skin without overcomplicating the routine.