Sum37 Perfect
Sum37 Perfect products center on the Deer Homme Perfect line (also labeled Deeromme Perfect in older batches), sum37's simplified routine range for anyone who wants the brand's fermentation actives in a short daily sequence. The 63+ products in this collection cover every step: the Perfect Cleansing Foam 160ml, Perfect Toner 130ml, Perfect Emulsion 110ml, the all-in-one Perfect All-in-One Firming Serum 110ml, and the Waterpool CC Cushion Perfect Finish in standard and refill formats. The Deeromme and Deer Homme labels refer to the same product family across packaging generations.
By Skinsli editorial Updated
Buying guide
Sum37 Perfect Line: Deer Homme and Deeromme Products Explained
Sum37's Perfect line is the brand's straightforward daily routine range, marketed under both the Deeromme and Deer Homme names depending on when the product was packaged. Deeromme and Deer Homme are the same line at different points in its branding history; the formulas are the same. The Perfect line provides sum37's fermentation complex in a streamlined four-step routine: cleanse, tone, treat, and moisturize. This guide covers the 63+ products in this collection and explains each step's role.
Deeromme and Deer Homme: The Same Line, Two Labels
Sum37 has marketed the same core Perfect line formula under both the Deeromme and Deer Homme names at different periods. Products labeled Deeromme are older packaging runs; Deer Homme is the current brand name for the same line. If you see both labels in the collection for the same product type - such as the Perfect Toner 130ml appearing as both Deeromme Perfect Toner and Deer Homme Perfect Toner - these are functionally equivalent. The formula within the bottle matches between labeling generations.
The Deer Homme name positions the line with a more explicit men's skincare identity (homme is French for man), though the formulas are unisex in function and are used by all genders. Buying either the Deeromme or Deer Homme labeled version depends only on which is currently in stock.
Perfect Cleansing Foam 160ml: Starting the Routine
The Perfect Cleansing Foam 160ml is the first step in the Deer Homme Perfect sequence. At 160ml, it is a standard size for a daily facial cleanser, lasting approximately two to three months with twice-daily use. The foam texture indicates a higher-lather formula that rinses cleanly rather than leaving residue, which is typical for sum37's cleansing step products.
This cleanser is formulated around the Perfect line's fermentation active, meaning the cleansing step already begins delivering sum37's fermented botanical benefit before the toner or serum step. For users who want the sum37 approach from step one, starting with the Perfect Cleansing Foam rather than a generic cleanser keeps the active consistent through the full routine.
Perfect Toner 130ml: Prep After Cleansing
The Perfect Toner 130ml (appearing as both Deeromme Perfect Toner and Deer Homme Perfect Toner in this collection) is the toner step in the Perfect sequence. It applies immediately after cleansing by patting into the skin with hands or a cotton pad. At 130ml, it lasts two to three months at daily twice-daily use.
The toner's role in the Perfect routine is to restore moisture to the skin surface after cleansing and prepare it for the emulsion or all-in-one serum that follows. The fermented complex in the toner primes the skin's absorption before the serum step, following the same first-step logic sum37 uses across its full Yunjo-based Sulwhasoo-style sequences.
Perfect Emulsion 110ml: The Daily Moisture Step
The Perfect Emulsion 110ml (appearing as Deeromme and Deer Homme versions) is the emulsion step in the Perfect routine, sitting between the toner and a separate moisturizer or serving as the final moisture layer for those who skip a standalone cream. At 110ml, the bottle lasts approximately two to three months with daily use on face and neck.
For skin that needs only a moderate level of daily moisture, the Perfect Emulsion is sufficient as the final step after the toner. For dry skin or during winter, layering the emulsion before a richer moisturizer like the Rosh Summa Elixir Treatment provides additional depth without disrupting the Perfect line's active complex.
Perfect All-in-One Firming Serum 110ml: Simplified Treatment
The Deer Homme Perfect All-in-One Firming Serum 110ml (also labeled DEEROMME Perfect All-In-One Firming Serum) combines toning, hydration, and firming treatment into a single product. For users who want to reduce the number of steps in a routine without giving up the sum37 fermentation benefit, the all-in-one serum replaces both the toner and the emulsion in a single application.
At 110ml, the all-in-one serum is larger than a typical targeted serum (usually 30-50ml), which reflects its daily-use positioning. The firming complex within the formula targets skin density and surface smoothness as a background function alongside the main hydration delivery. Apply after cleansing and before sunscreen in the morning, or after cleansing in the evening as the final non-cream step.
Waterpool CC Cushion Perfect Finish and Refill
The Waterpool CC Cushion Perfect Finish 15g is the makeup crossover in the Perfect collection, using the Water Pool hydrating gel base in a CC cushion foundation format. The Perfect Finish label indicates a semi-matte, natural result rather than a dewy finish. At 15g, the standard cushion pan fits into a compact case (sold separately or included, check listing).
The Waterpool CC Cushion Perfect Finish Refill 15g No. 02 is the replacement pan in shade No. 02. This refill format makes the cushion economical for regular users: buy the compact once, then replenish with refills. Shade No. 02 is typically a medium-neutral shade suitable for light-to-medium skin tones. Check the listing for the full shade range and to confirm which compact format accepts this refill.
Building a Full Routine With Perfect Line Products
A complete Deer Homme Perfect routine follows four steps: the Perfect Cleansing Foam to cleanse, the Perfect Toner to prep, then either the Perfect All-in-One Firming Serum (for a shortened sequence) or the Perfect Emulsion (for a two-step after-toner sequence), and the Waterpool CC Cushion as the sun-protection makeup step in the morning. This four-step system covers cleanse through base in one brand's product family, keeping the routine coherent without requiring cross-brand mixing.
For skin that needs more targeted treatment, the Perfect Toner and Emulsion can serve as the base routine while a separate treatment serum (such as the Time Energy Bright Luminus Serum or the Rosh Summa Repair Essence) is added between toner and emulsion. The Perfect line is designed to be compatible with other sum37 lines as either a base or a standalone routine.
Using Deer Homme Perfect Products
The Deer Homme branding and the 'homme' positioning indicate a product line intended for a streamlined skin-care approach. The formulas use sum37's standard fermentation actives without the richer or more layered textures of lines like Rosh Summa. The Perfect Cleansing Foam, Toner, and Emulsion are unfragranced or lightly fragranced compared to some of sum37's other ranges, which suits users who prefer minimally scented skincare regardless of gender.
The all-in-one serum format is practical for any routine where multiple-step products feel overly complex. The fermentation complex in the serum covers hydration, tone-prep, and baseline firming in one product, which is the main reason the Perfect All-in-One Serum remains one of sum37's most repurchased everyday items.
Which Skin Types the Perfect Line Suits
The Deer Homme Perfect line is calibrated for normal, combination, and oily skin that wants routine simplicity over intensive treatment. The emulsion and all-in-one serum are both medium-weight, which avoids the heaviness that some richer sum37 lines can present. Dry skin can use the Perfect line but typically needs to add a separate cream or a layer of the Rosh Summa Elixir Treatment on top of the Perfect Emulsion for adequate winter moisture.
Sensitive skin generally handles the Perfect Cleansing Foam and Toner well because they use the fermentation complex without added actives that cause sensitivity (no retinol, no AHA/BHA in the standard Perfect formulas). The all-in-one serum's firming complex is mild enough for most sensitive skin types, but patch-testing before full-face use remains the safest introduction approach.
FAQ
Frequently asked questions
FAQ
Frequently asked questions
Are the Sum37 Deeromme Perfect products the same as Deer Homme Perfect?
Yes. Deeromme and Deer Homme are the same line under different packaging generations. Products labeled Deeromme are from older production runs; Deer Homme is the current name. The formula inside the bottle is the same. When both appear in the collection (such as Deeromme Perfect Toner and Deer Homme Perfect Toner), either can be purchased to get the same product formula.
Does the Sum37 Perfect All-in-One Firming Serum 110ml replace both the toner and emulsion?
Yes. The Perfect All-in-One Firming Serum is designed to replace the toner, serum, and emulsion steps in a single product. Apply it after cleansing as the only treatment step before sunscreen or makeup. For skin that wants a two-step morning routine (cleanse + all-in-one), this is the product to use. If you still want a separate emulsion layer on top for extra moisture, the Perfect Emulsion can follow the all-in-one serum without conflict.
What shade is the Sum37 Waterpool CC Cushion Perfect Finish Refill No. 02?
Shade No. 02 is typically a medium-neutral tone that suits light-to-medium skin. Sum37's CC cushion shade numbers generally follow a scale where No. 01 is lighter and No. 02 is one step darker. Check the product listing for the full shade description and a color swatch to confirm this refill matches your skin tone before purchasing.
Can I use the Sum37 Perfect Cleansing Foam 160ml twice a day?
Yes. The Perfect Cleansing Foam is formulated for daily use morning and evening. At 160ml, twice-daily use depletes the bottle in approximately 2 to 3 months. Some users prefer to use the cleansing foam only in the evening and a lighter rinse or micellar water in the morning; both approaches work with the Perfect routine.
How long does the Sum37 Perfect Toner 130ml last?
With morning and evening use on face and neck, a 130ml toner lasts approximately 2 to 3 months. Using cotton pads tends to consume toner faster than patting with hands. If you use the toner once daily, it can last 4 to 5 months.
Should I use the Sum37 Perfect Emulsion or the Perfect All-in-One Firming Serum?
Use the Perfect Emulsion if you already have a separate toner step and want the emulsion to add moisture after the toner. Use the All-in-One Firming Serum if you want to skip the separate toner and combine tone-prep, hydration, and firming in a single application. For a shorter routine, the All-in-One Serum is the more efficient choice. For a layered routine with a separate toner, the Perfect Emulsion follows logically after the Perfect Toner.
Does the Sum37 Waterpool CC Cushion work as the sunscreen step after Perfect line skincare?
The Waterpool CC Cushion provides a beauty filter and coverage, but check the product listing for its SPF rating. If the cushion includes SPF50 or higher, it can serve as both coverage and daily sun protection. If the SPF is lower, apply a separate sunscreen before the cushion. For daily outdoor use, confirm the SPF on the product label rather than assuming the cushion provides adequate UV protection on its own.
Is the Sum37 Deer Homme Perfect line suitable for oily skin?
Yes. The Perfect line is calibrated for normal to oily skin. The Perfect Emulsion and All-in-One Serum are both medium-weight, which suits oily skin without excess shine. The Waterpool CC Cushion uses the Water Pool gel base, which has a semi-matte finish appropriate for oily skin. The Perfect Cleansing Foam rinses cleanly without stripping, which is important for oily skin that can overreact to harsh cleansers by producing more oil.
How long does the Sum37 Perfect All-in-One Firming Serum 110ml last?
At 110ml, the all-in-one serum is larger than a standard targeted serum. With daily morning use on face and neck, it lasts approximately 3 to 4 months. With twice-daily use, around 2 months. The large format makes it one of the better-value serum purchases in the sum37 range per day of use.


















