Isoi Treatment

The isoi Lip Treatment Balm (5 g each) comes in at least five shades currently in stock: Baby Pink, Sunset Orange, Berry Rose, Pure Red, and a Logicoral base. These are treatment-first tinted balms rather than lipsticks - the formula prioritises moisturisation and lip health, with colour as a secondary function. They're suited to wearing alone for a low-effort lip look or as a base under a standard lipstick where you want extra hydration.

At 5 g, each balm is compact enough for daily carry in a bag or pocket. The slight tint means you can check your lip colour without a mirror, which makes them practical for touch-up during the day. Shade selection depends on your natural lip tone - Baby Pink and Berry Rose read as cool-leaning, Sunset Orange is warm, Pure Red is classic, and Logicoral is the most neutral base.

The Lip Treatment Balm Double Set is a bundled purchase of two balms, which reduces the per-unit cost and makes it easy to keep one at your desk and one in your bag.

isoi makes two overnight lip formats: the Lip Treatment Night Stick and the Bulgarian Rose Lip Treatment Night 2. Both are thicker than the daily balms and designed for extended contact time while you sleep.

The Night Stick is a classic overnight lip mask in stick form - apply a generous layer before bed and wake to noticeably softer lips. The stick format is cleaner to apply than a jar-format lip mask and stays in place better during sleep. The Bulgarian Rose Lip Treatment Night 2 adds rose extract to the overnight formula, providing antioxidant support alongside the basic emollient repair function.

Overnight lip treatments make the biggest difference in winter or in air-conditioned environments where lip moisture evaporates quickly. Consistent nightly use for two weeks typically resolves even stubborn peeling and dryness.

The Bulgarian Rose Intensive Treatment Essence (130 ml) is a concentrated water-light treatment step applied after cleansing and before a serum or lotion. The 'intensive' positioning means this is a step up from the standard Bulgarian Rose tonic in the rest of the isoi range - higher rose extract concentration, more active brightening ingredient load.

Essence textures sit between a toner and a serum: thinner than a serum but more active than a basic toner. Tap it gently onto skin rather than wiping, since the pressing motion encourages absorption without dragging the product across the surface. Use it in both AM and PM routines, though the brightening ingredients in the rose extract do their best work in the evening when there's no SPF to compete with.

The Bulgarian Rose Intensive Treatment Lotion (90 ml) is a lightweight emulsion that follows the essence in the routine. Korean skincare 'lotions' sit between a Western serum and a moisturiser in texture and function - they're fluid enough to absorb quickly but substantive enough to provide meaningful hydration without a separate moisturiser in warm weather.

The rose-extract concentration in the Intensive line delivers a brightening and antioxidant benefit alongside the hydration function. For the evening routine, the essence-then-lotion combination from the Intensive Treatment line is a self-contained treatment stack that addresses tone and texture without needing additional products.

A focused Bulgarian Rose Intensive Treatment routine:

• AM: Cleanse → Bulgarian Rose Intensive Treatment Essence → Bulgarian Rose Intensive Treatment Lotion → SPF.
• PM: Double cleanse → Bulgarian Rose Intensive Treatment Essence → Bulgarian Rose Intensive Treatment Lotion → optional heavier moisturiser if needed.

This two-step stack - essence then lotion - covers brightening, antioxidant protection, and hydration in a minimal format. The rose extract delivers cumulative brightening results over four to six weeks; the hydration benefit is immediate from the first application.

A practical isoi lip routine:

• Day: Apply a tinted Lip Treatment Balm in your chosen shade after your face routine. Reapply as needed when lips feel dry.
• Night: Apply the Lip Treatment Night Stick or Bulgarian Rose Lip Treatment Night 2 as the very last step in your evening routine, after all face products including eye cream.

If you find your lips peel consistently despite daily balm use, the overnight treatment is the step that actually repairs - the daytime balm maintains, but overnight treatment rebuilds. Add the Bulgarian Rose Night 2 specifically if you also want antioxidant and brightening support on the lip area.

The Lip Treatment Balms are broadly useful - any skin type benefits from a treatment-formula tinted balm for daily use. They're particularly good for anyone who wears lip colour regularly and wants to avoid the dry, peeling lips that come from prolonged matte lipstick use without a conditioning base.

The Bulgarian Rose Intensive Treatment line is suited to normal, dry, and combination skin with concerns around dullness, uneven tone, or post-blemish marks. Oily skin can use the essence but may want to assess whether the lotion is light enough for their oil levels - the Intensive Treatment Lotion is a fluid emulsion, not a cream, but some very oily skin types prefer to use only the essence without a lotion step in warmer months.

isoi's use of Bulgarian rose is a deliberate sourcing decision. Bulgarian rose (Rosa damascena from the Rose Valley in Bulgaria) is considered a premium ingredient in cosmetic formulation due to its higher concentration of natural aromatic compounds and antioxidants compared to synthetic rose fragrance or lower-grade rose water. The extract in isoi's Intensive Treatment line is positioned as the active ingredient rather than a fragrance addition.

The functional benefits attributed to rose extract in cosmetic research include antioxidant activity (from polyphenols), mild astringent properties (which contribute to the 'tightening' sensation some users notice), and a brightening effect via inhibition of melanin synthesis pathways. These are incremental rather than dramatic effects - the Intensive Treatment line delivers them consistently over a four to eight week period of regular use.

Lip balms in stick form are stable at room temperature but can soften in heat - avoid leaving them in a car or near a window in direct sun. Store them upright with the cap on. The 5 g format has a long shelf life for unopened products; once opened, use within 18 months.

The Intensive Treatment Essence and Lotion are best stored at room temperature, away from direct sunlight. The antioxidant ingredients in the rose extract can degrade faster if exposed to UV or high heat, which would reduce the brightening efficacy over time.